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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-entropy-of-the-universe-is-always-increasing-calculate-the-entropy-change-of-processes-such-as-state-change-or-isothermal-processes-verify-the-increase-or-decrease-of-entropy-in-a-system/when-a-gas-expands-isothermally-in-a-closed-container-theres-a-transfer-of-heat-with-the-surroundings-considering-the-concept-of-entropy-in-thermodynamics-which-of-the-following-options-best-describes-the-change-in-entropy-of-the-system-and-the-universe-during-this-process-0c22c591</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-hydrostatic-problems-involving-pressure-applied-on-a-surface-or-the-pressure-exerted-at-a-specific-point-in-a-fluid-or-the-buoyant-force-exerted-on-a-body-in-equilibrium/a-rectangular-dam-stands-800-metres-tall-and-500-metres-wide-to-ensure-its-stability-its-crucial-to-calculate-the-resultant-force-of-the-water-acting-on-the-dams-vertical-face-given-that-the-density-of-water-is-1000-kgm-and-the-acceleration-due-to-gravity-is-981-ms-determine-the-total-force-the-water-exerts-on-the-dam-while-under-hydrostatic-equilibrium-conditions-use-hydrostatic-principles-to-integrate-the-pressure-which-varies-with-depth-and-deduce-the-resultant-force-acting-on-the-structure-908f1644</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-hydrostatic-problems-involving-pressure-applied-on-a-surface-or-the-pressure-exerted-at-a-specific-point-in-a-fluid-or-the-buoyant-force-exerted-on-a-body-in-equilibrium/a-rectangular-dam-stands-800-metres-tall-and-500-metres-wide-to-ensure-its-stability-its-crucial-to-calculate-the-resultant-force-of-the-water-acting-on-the-dams-vertical-face-given-that-the-density-of-water-is-1000-kgm-and-the-acceleration-due-to-gravity-is-981-ms-determine-the-total-force-the-water-exerts-on-the-dam-while-under-hydrostatic-equilibrium-conditions-use-hydrostatic-principles-to-integrate-the-pressure-which-varies-with-depth-and-deduce-the-resultant-force-acting-on-the-structure-908f1644" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-expansion-of-bodies-specifically-the-surface-expansion-of-an-object-solve-problems-of-holes-in-sheets/in-an-electronics-factory-theres-a-square-metal-plate-with-a-circular-hole-measuring-025-metres-across-at-20c-when-the-plates-temperature-rises-to-70c-both-the-plate-and-the-hole-expand-due-to-the-heat-taking-into-account-the-coefficient-of-superficial-expansion-for-the-material-how-will-this-temperature-change-affect-the-diameter-of-the-hole-a588b4f9</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-expansion-of-bodies-specifically-the-surface-expansion-of-an-object-solve-problems-of-holes-in-sheets/in-an-electronics-factory-theres-a-square-metal-plate-with-a-circular-hole-measuring-025-metres-across-at-20c-when-the-plates-temperature-rises-to-70c-both-the-plate-and-the-hole-expand-due-to-the-heat-taking-into-account-the-coefficient-of-superficial-expansion-for-the-material-how-will-this-temperature-change-affect-the-diameter-of-the-hole-a588b4f9" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-number-of-negative-and-positive-charges-in-a-system-is-conserved-solve-problems-involving-charge-conservation-mainly-of-identical-bodies/two-identical-conductive-bodies-possess-electric-charges-of-qa-450-x-10-6-c-and-qb-200-x-10-6-c-respectively-when-linked-by-a-conductive-wire-and-after-a-brief-moment-disconnected-again-what-will-be-the-electric-charge-of-each-body-following-redistribution-keeping-in-mind-the-conservation-of-electric-charges-4378547d</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-number-of-negative-and-positive-charges-in-a-system-is-conserved-solve-problems-involving-charge-conservation-mainly-of-identical-bodies/two-identical-conductive-bodies-possess-electric-charges-of-qa-450-x-10-6-c-and-qb-200-x-10-6-c-respectively-when-linked-by-a-conductive-wire-and-after-a-brief-moment-disconnected-again-what-will-be-the-electric-charge-of-each-body-following-redistribution-keeping-in-mind-the-conservation-of-electric-charges-4378547d" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-radiation-can-be-a-type-of-electromagnetic-wave-recognize-the-types-of-radiation-and-their-impacts-on-human-health/in-a-hospital-setting-various-pieces-of-equipment-make-use-of-electromagnetic-radiation-for-both-diagnosis-and-treatment-such-as-x-rays-and-ultraviolet-radiation-taking-into-account-the-properties-of-these-types-of-radiation-and-their-biological-effects-which-of-the-following-options-accurately-connects-each-type-of-radiation-to-the-potential-health-risks-linked-to-extended-use-9cb7c5d5</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-radiation-can-be-a-type-of-electromagnetic-wave-recognize-the-types-of-radiation-and-their-impacts-on-human-health/in-a-hospital-setting-various-pieces-of-equipment-make-use-of-electromagnetic-radiation-for-both-diagnosis-and-treatment-such-as-x-rays-and-ultraviolet-radiation-taking-into-account-the-properties-of-these-types-of-radiation-and-their-biological-effects-which-of-the-following-options-accurately-connects-each-type-of-radiation-to-the-potential-health-risks-linked-to-extended-use-9cb7c5d5" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-centripetal-acceleration-of-a-body-undergoing-circular-motion-using-the-formula-where-centripetal-acceleration-equals-the-magnitude-of-velocity-squared-divided-by-the-radius/a-go-kart-driver-completes-a-lap-on-a-circular-track-with-a-radius-of-30-metres-maintaining-a-constant-speed-of-12-ms-considering-uniform-circular-motion-what-is-the-centripetal-acceleration-acting-on-the-go-kart-b34e1030</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-centripetal-acceleration-of-a-body-undergoing-circular-motion-using-the-formula-where-centripetal-acceleration-equals-the-magnitude-of-velocity-squared-divided-by-the-radius/a-go-kart-driver-completes-a-lap-on-a-circular-track-with-a-radius-of-30-metres-maintaining-a-constant-speed-of-12-ms-considering-uniform-circular-motion-what-is-the-centripetal-acceleration-acting-on-the-go-kart-b34e1030" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-a-gas-in-various-gas-transformations-using-the-change-in-volume-and-the-pressure-of-the-gas/in-a-physics-experiment-a-student-uses-a-piston-to-expand-an-ideal-gas-inside-a-cylinder-during-the-expansion-the-gas-pressure-decreases-steadily-from-500-atm-to-200-atm-while-the-volume-increases-from-300-l-to-900-l-calculate-the-work-done-by-the-gas-in-this-process-2b06b4d3</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-a-gas-in-various-gas-transformations-using-the-change-in-volume-and-the-pressure-of-the-gas/in-a-physics-experiment-a-student-uses-a-piston-to-expand-an-ideal-gas-inside-a-cylinder-during-the-expansion-the-gas-pressure-decreases-steadily-from-500-atm-to-200-atm-while-the-volume-increases-from-300-l-to-900-l-calculate-the-work-done-by-the-gas-in-this-process-2b06b4d3" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-human-eye-as-an-optical-instrument-calculate-the-focal-length-of-the-human-eye-identify-the-main-types-of-ocular-deviations-and-the-types-of-lenses-used-to-correct-them/during-an-eye-test-it-was-found-that-a-student-struggles-to-see-distant-objects-clearly-when-considering-the-eye-as-a-visual-instrument-what-type-of-eye-condition-does-this-student-have-and-what-type-of-lens-would-be-appropriate-to-correct-this-issue-e0a10cd7</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-the-human-eye-as-an-optical-instrument-calculate-the-focal-length-of-the-human-eye-identify-the-main-types-of-ocular-deviations-and-the-types-of-lenses-used-to-correct-them/during-an-eye-test-it-was-found-that-a-student-struggles-to-see-distant-objects-clearly-when-considering-the-eye-as-a-visual-instrument-what-type-of-eye-condition-does-this-student-have-and-what-type-of-lens-would-be-appropriate-to-correct-this-issue-e0a10cd7" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-concave-and-convex-mirrors-are-discover-what-type-of-image-is-formed-and-its-characteristics/in-a-factory-concave-and-convex-mirrors-are-used-to-reflect-light-in-a-particular-way-in-various-production-areas-when-considering-how-images-are-formed-in-these-mirrors-what-characteristics-do-we-observe-for-the-images-created-by-concave-and-convex-mirrors-respectively-b65c08fa</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-concave-and-convex-mirrors-are-discover-what-type-of-image-is-formed-and-its-characteristics/in-a-factory-concave-and-convex-mirrors-are-used-to-reflect-light-in-a-particular-way-in-various-production-areas-when-considering-how-images-are-formed-in-these-mirrors-what-characteristics-do-we-observe-for-the-images-created-by-concave-and-convex-mirrors-respectively-b65c08fa" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-thermodynamic-cycle-is-and-solve-problems-involving-thermodynamic-cycles-with-calculations-of-heat-exchanged-internal-energy-or-work-done/a-car-engine-runs-through-an-ideal-thermodynamic-cycle-that-consists-of-four-main-processes-throughout-this-cycle-the-engine-performs-mechanical-work-by-converting-heat-that-it-absorbs-from-burning-fuel-in-light-of-this-cycle-which-of-the-following-statements-best-captures-the-relationship-between-the-heat-absorbed-the-heat-rejected-and-the-work-done-by-the-engine-46e58b52</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-thermodynamic-cycle-is-and-solve-problems-involving-thermodynamic-cycles-with-calculations-of-heat-exchanged-internal-energy-or-work-done/a-car-engine-runs-through-an-ideal-thermodynamic-cycle-that-consists-of-four-main-processes-throughout-this-cycle-the-engine-performs-mechanical-work-by-converting-heat-that-it-absorbs-from-burning-fuel-in-light-of-this-cycle-which-of-the-following-statements-best-captures-the-relationship-between-the-heat-absorbed-the-heat-rejected-and-the-work-done-by-the-engine-46e58b52" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-polarization-of-light-and-relate-the-power-of-light-passing-through-a-polarizer-to-the-actual-power-that-passes-through-it/a-researcher-is-conducting-an-experiment-with-polarized-light-using-two-polarizing-filters-that-are-initially-aligned-in-the-same-direction-allowing-the-full-power-i0-to-pass-through-after-that-he-rotates-the-second-filter-by-an-angle-8-relative-to-the-first-what-will-be-the-power-of-the-light-transmitted-through-the-two-filters-after-adjusting-the-angle-8-9aeeba55</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-the-polarization-of-light-and-relate-the-power-of-light-passing-through-a-polarizer-to-the-actual-power-that-passes-through-it/a-researcher-is-conducting-an-experiment-with-polarized-light-using-two-polarizing-filters-that-are-initially-aligned-in-the-same-direction-allowing-the-full-power-i0-to-pass-through-after-that-he-rotates-the-second-filter-by-an-angle-8-relative-to-the-first-what-will-be-the-power-of-the-light-transmitted-through-the-two-filters-after-adjusting-the-angle-8-9aeeba55" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-levers-are-simple-machines-that-help-amplify-a-force-comprehend-how-they-work-and-the-main-types-such-as-interfixed-interresistant-and-interpotent/a-pharmacist-is-working-on-a-device-that-uses-a-lever-to-extract-just-the-right-amount-of-medication-with-minimal-effort-in-this-device-the-fulcrum-is-positioned-between-the-force-applied-by-the-user-and-the-resistance-from-the-dosage-mechanism-with-the-force-being-applied-025-metres-from-the-fulcrum-and-the-resistance-at-075-metres-given-these-details-what-type-of-lever-is-used-and-how-does-this-setup-affect-the-ease-of-extracting-the-medication-461ffacc</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-levers-are-simple-machines-that-help-amplify-a-force-comprehend-how-they-work-and-the-main-types-such-as-interfixed-interresistant-and-interpotent/a-pharmacist-is-working-on-a-device-that-uses-a-lever-to-extract-just-the-right-amount-of-medication-with-minimal-effort-in-this-device-the-fulcrum-is-positioned-between-the-force-applied-by-the-user-and-the-resistance-from-the-dosage-mechanism-with-the-force-being-applied-025-metres-from-the-fulcrum-and-the-resistance-at-075-metres-given-these-details-what-type-of-lever-is-used-and-how-does-this-setup-affect-the-ease-of-extracting-the-medication-461ffacc" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-general-problems-of-momentum-impulse-theorem-and-collisions-recalling-when-momentum-given-by-q-m-v-can-be-conserved-or-not/on-a-frictionless-skate-track-a-cart-weighing-2-kg-is-gliding-at-a-speed-of-5-ms-towards-a-stationary-cart-that-weighs-3-kg-after-they-collide-the-two-carts-stick-together-and-move-as-one-using-the-principle-of-conservation-of-momentum-what-will-their-shared-speed-be-after-the-collision-62d9a1c2</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-general-problems-of-momentum-impulse-theorem-and-collisions-recalling-when-momentum-given-by-q-m-v-can-be-conserved-or-not/on-a-frictionless-skate-track-a-cart-weighing-2-kg-is-gliding-at-a-speed-of-5-ms-towards-a-stationary-cart-that-weighs-3-kg-after-they-collide-the-two-carts-stick-together-and-move-as-one-using-the-principle-of-conservation-of-momentum-what-will-their-shared-speed-be-after-the-collision-62d9a1c2" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-happens-to-a-wave-when-it-reflects-whether-it-maintains-its-behavior-or-inverts/a-learner-is-observing-how-a-wave-travels-through-a-cord-that-is-securely-attached-at-one-end-when-the-wave-reaches-this-fixed-end-what-happens-when-it-reflects-back-along-the-cord-9ce27532</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-happens-to-a-wave-when-it-reflects-whether-it-maintains-its-behavior-or-inverts/a-learner-is-observing-how-a-wave-travels-through-a-cord-that-is-securely-attached-at-one-end-when-the-wave-reaches-this-fixed-end-what-happens-when-it-reflects-back-along-the-cord-9ce27532" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-of-resistors-arranged-in-series-using-the-fact-that-when-resistors-are-in-series-we-must-add-the-resistances/a-company-specialising-in-home-automation-is-working-on-a-smart-lighting-system-that-utilises-resistors-connected-in-series-to-adjust-the-brightness-of-the-lamps-in-the-first-design-three-resistors-with-different-values-are-used-leading-to-a-specific-total-current-within-the-circuit-to-enhance-the-design-the-engineer-opts-to-add-a-fourth-resistor-to-the-setup-given-that-these-resistors-are-in-series-and-the-voltage-source-stays-constant-how-will-the-addition-of-the-new-resistor-impact-the-total-resistance-of-the-circuit-and-the-electric-current-and-what-is-the-technical-reasoning-behind-this-change-regarding-the-control-of-light-intensity-34adfe49</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-of-resistors-arranged-in-series-using-the-fact-that-when-resistors-are-in-series-we-must-add-the-resistances/a-company-specialising-in-home-automation-is-working-on-a-smart-lighting-system-that-utilises-resistors-connected-in-series-to-adjust-the-brightness-of-the-lamps-in-the-first-design-three-resistors-with-different-values-are-used-leading-to-a-specific-total-current-within-the-circuit-to-enhance-the-design-the-engineer-opts-to-add-a-fourth-resistor-to-the-setup-given-that-these-resistors-are-in-series-and-the-voltage-source-stays-constant-how-will-the-addition-of-the-new-resistor-impact-the-total-resistance-of-the-circuit-and-the-electric-current-and-what-is-the-technical-reasoning-behind-this-change-regarding-the-control-of-light-intensity-34adfe49" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-inertia-is-comprehend-that-a-body-at-rest-or-moving-at-constant-velocity-has-zero-acceleration-and-the-sum-of-the-forces-results-in-zero/a-block-is-sitting-on-a-flat-surface-two-equal-horizontal-forces-acting-in-opposite-directions-are-applied-to-the-block-according-to-newtons-first-law-what-will-the-blocks-resulting-acceleration-be-edacefe5</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-inertia-is-comprehend-that-a-body-at-rest-or-moving-at-constant-velocity-has-zero-acceleration-and-the-sum-of-the-forces-results-in-zero/a-block-is-sitting-on-a-flat-surface-two-equal-horizontal-forces-acting-in-opposite-directions-are-applied-to-the-block-according-to-newtons-first-law-what-will-the-blocks-resulting-acceleration-be-edacefe5" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-field-generated-by-a-loop-solve-problems-that-require-the-calculation-of-magnetic-fields-generated-by-loops/a-company-has-invented-a-device-that-employs-a-circular-loop-to-sense-changes-in-the-earths-magnetic-field-the-loop-has-a-radius-of-020-meters-and-carries-a-current-of-30-a-considering-the-centre-point-of-the-loop-what-is-the-strength-of-the-magnetic-field-produced-at-that-point-936f2e2d</loc>
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  </url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-collision-problems-of-bodies-in-one-dimension-using-the-conservation-of-momentum-during-a-collision/in-a-lab-experiment-a-cart-weighing-250-kg-is-moving-at-a-speed-of-400-ms-towards-a-head-on-collision-with-a-second-cart-weighing-300-kg-that-is-initially-stationary-after-they-collide-the-two-carts-stay-together-and-move-as-one-what-is-the-final-speed-of-the-carts-right-after-the-collision-9a27dcd4</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-magnetic-field-is-a-place-where-magnetic-forces-can-be-detected-represented-by-magnetic-field-lines-verify-which-bodies-interact-with-magnetic-fields-and-bodies-that-can-generate-a-magnetic-field-such-as-magnets/during-a-classroom-experiment-joao-uses-a-permanent-magnet-to-see-how-different-objects-respond-to-its-magnetic-field-he-notices-that-some-materials-are-attracted-to-the-magnet-while-others-dont-seem-to-react-at-all-based-on-these-observations-which-of-the-following-statements-best-describes-the-types-of-materials-that-interact-with-the-magnetic-field-of-the-magnet-f1b1e08f</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-use-of-newtons-laws-solve-mechanics-problems-involving-the-calculation-or-use-of-weight-normal-friction-among-other-forces/in-an-amusement-park-theres-a-setup-involving-two-ideal-pulleys-linked-by-a-non-stretchable-rope-one-block-weighing-80-kg-is-sitting-on-a-ramp-thats-inclined-at-35-to-the-horizontal-while-another-block-which-weighs-50-kg-is-hanging-vertically-given-that-the-coefficient-of-kinetic-friction-between-the-block-on-the-ramp-and-the-surface-is-020-work-out-the-acceleration-of-the-system-0428b192</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-the-main-types-of-lenses-such-as-converging-or-diverging-verifying-their-properties-and-characteristics/in-a-practical-optics-lesson-a-teacher-asks-the-learners-to-set-up-a-system-for-image-formation-using-different-types-of-lenses-when-testing-the-first-lens-the-learners-observe-that-the-parallel-rays-of-light-passing-through-it-come-together-at-a-real-focal-point-creating-a-real-and-inverted-image-on-a-screen-placed-behind-the-lens-when-using-the-second-lens-the-parallel-rays-of-light-spread-out-after-passing-through-and-no-real-image-is-formed-at-the-position-of-the-screen-based-on-these-observations-what-types-of-lenses-were-used-in-each-scenario-a4654f39</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/differentiate-the-main-types-of-lenses-such-as-converging-or-diverging-verifying-their-properties-and-characteristics/in-a-practical-optics-lesson-a-teacher-asks-the-learners-to-set-up-a-system-for-image-formation-using-different-types-of-lenses-when-testing-the-first-lens-the-learners-observe-that-the-parallel-rays-of-light-passing-through-it-come-together-at-a-real-focal-point-creating-a-real-and-inverted-image-on-a-screen-placed-behind-the-lens-when-using-the-second-lens-the-parallel-rays-of-light-spread-out-after-passing-through-and-no-real-image-is-formed-at-the-position-of-the-screen-based-on-these-observations-what-types-of-lenses-were-used-in-each-scenario-a4654f39" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-and-indicate-the-lines-of-force-of-a-given-electric-field-in-a-region-such-as-the-field-lines-generated-by-a-point-charge-with-a-certain-charge-or-set-of-charges/an-electronics-manufacturer-is-examining-the-behaviour-of-the-electric-field-around-a-sensitive-component-they-place-two-point-charges-of-equal-strength-but-opposite-signs-in-close-proximity-considering-how-the-force-lines-are-arranged-in-this-setup-which-of-the-following-statements-best-describes-the-orientation-of-the-electric-field-lines-between-the-two-charges-fa9477db</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-simple-harmonic-motion-is-as-well-as-calculate-amplitude-velocity-and-acceleration-at-notable-points-and-the-period-of-shm-of-a-mass-spring-system/a-mass-spring-system-consists-of-a-spring-with-a-spring-constant-of-200-nm-and-a-mass-of-4-kg-attached-to-it-when-the-mass-is-pulled-02-meters-beyond-its-resting-position-and-released-it-starts-to-oscillate-in-simple-harmonic-motion-assuming-no-air-resistance-question-calculate-the-period-of-this-motion-and-the-maximum-velocity-reached-by-the-mass-during-the-oscillation-33618f6f</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-and-understand-what-momentum-is-and-how-to-calculate-it-using-the-formula-qm-v-where-momentum-is-calculated-by-the-product-of-the-velocity-and-the-mass-of-the-body/in-a-collision-experiment-a-cart-weighing-120-kg-travels-east-at-a-speed-of-300-ms-and-collides-with-another-cart-weighing-080-kg-that-is-moving-north-at-400-ms-after-the-impact-both-carts-stick-together-and-move-in-the-overall-direction-based-on-the-principle-of-conservation-of-momentum-what-is-the-total-momentum-of-the-system-just-before-the-collision-02d5a2e9</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-coefficient-of-restitution-is-its-meaning-and-the-different-types-of-collision-use-the-coefficient-of-restitution-to-calculate-velocity-values-before-or-after-collisions/a-long-jump-athlete-kicks-a-soccer-ball-against-a-wall-after-hitting-the-wall-the-ball-comes-back-at-a-slower-speed-knowing-that-the-coefficient-of-restitution-between-the-ball-and-the-wall-is-075-which-of-the-following-statements-best-describes-the-relationship-between-the-balls-speed-before-and-after-the-impact-19b0548c</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-coefficient-of-restitution-is-its-meaning-and-the-different-types-of-collision-use-the-coefficient-of-restitution-to-calculate-velocity-values-before-or-after-collisions/a-long-jump-athlete-kicks-a-soccer-ball-against-a-wall-after-hitting-the-wall-the-ball-comes-back-at-a-slower-speed-knowing-that-the-coefficient-of-restitution-between-the-ball-and-the-wall-is-075-which-of-the-following-statements-best-describes-the-relationship-between-the-balls-speed-before-and-after-the-impact-19b0548c" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-simple-pendulum-can-have-motion-described-by-simple-harmonic-motion-calculate-the-gravity-of-a-region-or-the-length-or-period-of-a-simple-pendulum/a-team-of-physicists-is-exploring-how-a-simple-pendulum-behaves-in-various-environments-in-a-lab-on-the-surface-of-earth-a-pendulum-measuring-100-meter-has-a-period-of-201-seconds-they-plan-to-run-the-same-experiment-in-the-stratosphere-where-gravity-is-reduced-by-03percent-since-the-pendulums-motion-adheres-to-simple-harmonic-motion-and-changes-in-friction-are-minimal-what-will-be-the-pendulums-new-period-in-the-stratosphere-53a48fe5</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/perform-youngs-double-slit-experiment-and-calculate-the-locations-of-visible-maxima-and-minima-in-the-experiment/in-a-youngs-double-slit-experiment-a-single-colour-light-source-with-a-wavelength-of-500-nm-shines-on-two-slits-that-are-01-mm-apart-the-observation-screen-is-placed-20-meters-from-these-slits-calculate-where-the-second-maximum-intensity-will-appear-on-the-screen-585f02bd</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-levers-are-simple-machines-that-help-amplify-a-force-comprehend-how-they-work-and-the-main-types-such-as-interfixed-interresistant-and-interpotent/in-a-mechanical-workshop-technicians-use-various-types-of-levers-to-make-precise-adjustments-on-heavy-vehicle-parts-recently-it-became-necessary-to-modify-a-machine-that-needs-minimal-force-to-shift-a-large-load-horizontally-which-type-of-lever-would-be-best-for-this-task-to-enhance-the-applied-force-and-ease-the-movement-of-the-load-59452208</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-period-of-a-movement-is-calculate-the-period-of-a-body-in-circular-motion-as-well-as-its-frequency/at-an-amusement-park-a-circular-ride-makes-180-rotations-per-hour-given-the-uniform-circular-motion-of-this-ride-what-is-the-time-it-takes-for-one-complete-rotation-c779ccba</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-it-is-and-calculate-the-electric-potential-as-the-division-of-work-done-by-the-charge-relate-the-electric-potential-to-other-magnitudes-such-as-work-and-the-electric-field/a-scientist-is-setting-up-an-electrical-circuit-to-power-an-electronic-device-he-notices-that-transferring-an-electric-charge-of-3-c-between-two-points-in-the-circuit-does-15-j-of-work-given-this-scenario-what-is-the-electric-potential-between-these-two-points-ac7a1415</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-concave-and-convex-mirrors-are-discover-what-type-of-image-is-formed-and-its-characteristics/in-a-parking-lot-convex-mirrors-are-used-to-help-drivers-see-areas-that-are-otherwise-out-of-view-considering-how-convex-mirrors-work-which-of-the-following-characteristics-best-describes-the-image-produced-by-this-type-of-mirror-f109ea05</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-angular-displacement-from-linear-displacement-calculate-angular-displacements-such-as-the-change-in-position-of-a-clock-hand-or-a-mobile-on-a-circular-track/a-cyclist-rides-on-a-circular-track-with-a-radius-of-15-meters-during-the-first-half-of-the-journey-he-completes-3-full-laps-in-the-second-half-he-makes-an-additional-turn-of-90-degrees-considering-only-the-total-angular-displacement-made-by-the-cyclist-what-is-its-measure-in-radians-5417fe47</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/differentiate-angular-displacement-from-linear-displacement-calculate-angular-displacements-such-as-the-change-in-position-of-a-clock-hand-or-a-mobile-on-a-circular-track/a-cyclist-rides-on-a-circular-track-with-a-radius-of-15-meters-during-the-first-half-of-the-journey-he-completes-3-full-laps-in-the-second-half-he-makes-an-additional-turn-of-90-degrees-considering-only-the-total-angular-displacement-made-by-the-cyclist-what-is-its-measure-in-radians-5417fe47" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-specific-mass-is-which-can-be-calculated-by-the-ratio-of-the-bodys-mass-to-its-volume-differentiate-specific-mass-from-relative-density/in-a-science-experiment-a-student-is-looking-to-compare-the-specific-mass-of-two-different-liquids-to-figure-out-which-one-can-support-an-object-floating-in-water-the-first-liquid-weighs-250-g-and-has-a-volume-of-200-cm-while-the-second-one-has-a-volume-of-150-cm-and-is-known-to-keep-the-object-from-sinking-which-of-the-following-statements-best-explains-the-relationship-between-the-specific-mass-and-relative-density-of-these-liquids-in-comparison-to-water-68cf884e</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-specific-mass-is-which-can-be-calculated-by-the-ratio-of-the-bodys-mass-to-its-volume-differentiate-specific-mass-from-relative-density/in-a-science-experiment-a-student-is-looking-to-compare-the-specific-mass-of-two-different-liquids-to-figure-out-which-one-can-support-an-object-floating-in-water-the-first-liquid-weighs-250-g-and-has-a-volume-of-200-cm-while-the-second-one-has-a-volume-of-150-cm-and-is-known-to-keep-the-object-from-sinking-which-of-the-following-statements-best-explains-the-relationship-between-the-specific-mass-and-relative-density-of-these-liquids-in-comparison-to-water-68cf884e" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-electrical-circuit-problems-calculating-potential-differences-currents-resistances/in-a-school-project-the-learners-are-putting-together-an-electrical-circuit-featuring-a-1200-v-battery-linked-in-series-to-two-resistors-r-with-a-resistance-of-400-w-and-r-with-a-resistance-of-600-w-they-need-to-find-out-the-current-flowing-through-the-circuit-what-is-the-current-that-passes-through-resistor-r-0dd21bdb</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/study-the-movement-of-fluids-bernoullis-principle-states-that-in-an-ideal-flow-the-pressure-decreases-when-the-fluid-velocity-increases-and-vice-versa-keeping-the-total-energy-constant/an-airfield-uses-a-venturi-condenser-to-measure-wind-speed-as-the-wind-flows-through-a-narrower-part-of-the-condenser-its-speed-picks-up-and-the-pressure-drops-based-on-the-bernoulli-principle-what-is-the-connection-between-the-wind-speeds-in-the-broader-and-narrower-sections-of-the-condenser-192b5704</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/study-the-movement-of-fluids-bernoullis-principle-states-that-in-an-ideal-flow-the-pressure-decreases-when-the-fluid-velocity-increases-and-vice-versa-keeping-the-total-energy-constant/an-airfield-uses-a-venturi-condenser-to-measure-wind-speed-as-the-wind-flows-through-a-narrower-part-of-the-condenser-its-speed-picks-up-and-the-pressure-drops-based-on-the-bernoulli-principle-what-is-the-connection-between-the-wind-speeds-in-the-broader-and-narrower-sections-of-the-condenser-192b5704" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/recognize-the-main-electrical-measuring-devices-such-as-the-ammeter-and-voltmeter-as-well-as-differentiate-between-real-and-ideal-devices-solve-measurement-problems-of-a-voltmeter-or-ammeter/an-engineer-is-setting-up-an-electrical-circuit-with-a-15-w-resistor-connected-to-a-30-v-power-source-to-measure-the-current-flowing-through-the-resistor-he-uses-an-ammeter-with-an-internal-resistance-of-01-w-in-parallel-he-employs-a-voltmeter-with-an-internal-resistance-of-10-kw-to-measure-the-voltage-across-the-same-resistor-considering-the-internal-resistances-of-the-measuring-instruments-which-of-the-following-statements-best-describes-how-these-resistances-impact-the-readings-obtained-by-the-voltmeter-and-the-ammeter-d10c3d3a</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-number-of-negative-and-positive-charges-in-a-system-is-conserved-solve-problems-involving-charge-conservation-mainly-of-identical-bodies/in-a-lab-experiment-we-have-two-identical-metallic-spheres-that-start-with-different-electric-charges-when-the-spheres-touch-each-other-and-are-then-separated-we-need-to-consider-the-conservation-of-charge-in-the-system-what-will-the-electric-charge-of-each-sphere-be-after-they-are-separated-c2c14c6b</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-thermodynamic-cycle-is-and-solve-problems-involving-thermodynamic-cycles-with-calculations-of-heat-exchanged-internal-energy-or-work-done/an-engineer-is-designing-a-thermal-engine-that-works-on-a-thermodynamic-cycle-made-up-of-two-isothermal-transformations-and-two-adiabatic-transformations-throughout-the-cycle-the-system-takes-in-800-j-of-heat-from-the-hot-source-and-expels-300-j-of-heat-to-the-cold-source-based-on-this-data-what-is-the-thermal-efficiency-of-this-cycle-a9cc7f67</loc>
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    <changefreq>monthly</changefreq>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/perform-youngs-double-slit-experiment-and-calculate-the-locations-of-visible-maxima-and-minima-in-the-experiment/during-the-youngs-double-slit-experiment-a-single-wavelength-light-source-with-a-wavelength-of-550-nm-is-used-the-slits-are-spaced-005-mm-apart-and-the-observation-screen-is-set-up-20-m-from-the-slits-where-will-we-see-the-third-maximum-of-constructive-interference-on-the-screen-03bc9b54</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-propagation-speed-of-the-image-when-a-mirror-approaches-or-moves-away-from-an-object-at-speed-v/a-flat-mirror-is-moving-towards-an-object-at-a-constant-speed-v-a-person-observes-the-formation-of-the-image-of-that-object-in-the-mirror-what-is-the-speed-at-which-the-reflected-image-in-the-mirror-moves-in-relation-to-the-object-f5a603ca</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-propagation-speed-of-the-image-when-a-mirror-approaches-or-moves-away-from-an-object-at-speed-v/a-flat-mirror-is-moving-towards-an-object-at-a-constant-speed-v-a-person-observes-the-formation-of-the-image-of-that-object-in-the-mirror-what-is-the-speed-at-which-the-reflected-image-in-the-mirror-moves-in-relation-to-the-object-f5a603ca" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-snells-law-to-calculate-the-angular-displacement-of-beams-occurring-in-prisms-solve-problems-involving-deviations-in-beams-passing-through-a-specific-prism/a-beam-of-light-hits-one-side-of-an-equilateral-glass-prism-at-an-incidence-angle-of-45-given-that-the-refractive-index-of-glass-is-160-and-the-angle-of-the-prism-is-60-use-snells-law-to-calculate-the-total-angular-deviation-experienced-by-the-beam-as-it-passes-through-the-prism-what-is-the-angular-displacement-of-the-light-beam-ad7b45f6</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/use-snells-law-to-calculate-the-angular-displacement-of-beams-occurring-in-prisms-solve-problems-involving-deviations-in-beams-passing-through-a-specific-prism/a-beam-of-light-hits-one-side-of-an-equilateral-glass-prism-at-an-incidence-angle-of-45-given-that-the-refractive-index-of-glass-is-160-and-the-angle-of-the-prism-is-60-use-snells-law-to-calculate-the-total-angular-deviation-experienced-by-the-beam-as-it-passes-through-the-prism-what-is-the-angular-displacement-of-the-light-beam-ad7b45f6" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-expansion-of-bodies-specifically-the-surface-expansion-of-an-object-solve-problems-of-holes-in-sheets/an-engineering-company-uses-metal-sheets-for-constructing-structures-in-environments-with-varying-temperatures-during-the-production-process-these-sheets-experience-surface-expansion-due-to-rising-temperatures-which-can-change-the-diameter-of-the-holes-in-them-given-that-the-materials-coefficient-of-surface-expansion-is-15-x-10-5-c-1-what-will-be-the-increase-in-diameter-of-an-800-cm-hole-when-the-sheet-is-heated-from-25c-to-150c-a86fb970</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/introduce-the-postulates-of-the-theory-of-relativity-the-laws-of-physics-are-the-same-in-all-inertial-reference-systems-and-that-the-speed-of-light-in-a-vacuum-is-the-same-for-all-observers/a-train-travelling-at-a-steady-pace-relative-to-the-ground-has-a-light-source-set-up-in-its-cabin-when-the-light-is-switched-on-in-the-direction-the-train-is-moving-an-observer-inside-the-train-and-another-observer-standing-on-the-platform-both-measure-the-speed-of-this-light-according-to-the-principles-of-the-theory-of-relativity-how-do-the-speed-measurements-of-light-by-these-two-observers-compare-75f1ac8d</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-fields-generated-by-solenoids-solve-problems-that-require-the-calculation-of-magnetic-fields-generated-by-solenoids/a-physics-lab-employs-a-solenoid-to-create-a-uniform-magnetic-field-essential-for-an-experiment-involving-charged-particles-this-solenoid-comprises-500-turns-evenly-distributed-over-a-length-of-025-metres-and-is-powered-by-a-current-of-20-a-given-that-the-magnetic-permeability-of-vacuum-is-4p-10-tma-what-is-the-strength-of-the-magnetic-field-produced-by-the-solenoid-b5161716</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-wave-can-refract-and-its-concept-calculate-the-angle-of-refraction-and-understand-the-consequences-of-refraction/a-ray-of-sunshine-hits-the-surface-of-the-water-at-an-angle-of-30-given-that-the-refractive-index-of-air-is-100-and-that-of-water-is-133-work-out-the-angle-of-refraction-as-the-light-enters-the-water-a4d7e1aa</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-propagation-speed-of-the-image-when-a-mirror-approaches-or-moves-away-from-an-object-at-speed-v/a-flat-mirror-is-moving-directly-towards-a-fixed-object-at-a-constant-speed-v-keeping-in-mind-the-principles-of-image-formation-in-flat-mirrors-what-is-the-speed-at-which-the-image-of-the-object-approaches-the-mirror-during-this-movement-ea74f351</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-bodies-in-orbits-of-other-planets-such-as-celestial-bodies-orbiting-the-sun-application-of-keplers-laws-or-calculation-of-escape-velocities-from-planets/a-spacecraft-is-set-to-orbit-the-earth-at-an-altitude-of-300-km-while-a-second-spacecraft-will-be-launched-to-orbit-jupiter-at-a-distance-of-420000-km-from-its-centre-using-keplers-laws-and-taking-into-account-the-different-masses-of-celestial-bodies-which-of-the-following-statements-about-the-orbital-periods-of-the-two-spacecraft-is-correct-663f35f3</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-flux-that-passes-through-an-area-verify-if-this-flux-is-constant-or-varied/in-a-physics-lab-a-circular-loop-with-a-radius-r-is-positioned-within-a-uniform-magnetic-field-of-intensity-b-which-is-perpendicular-to-the-plane-of-the-loop-the-loop-is-rotated-at-a-steady-angular-velocity-w-around-an-axis-that-makes-an-angle-8-with-the-direction-of-the-magnetic-field-given-this-setup-what-is-the-formula-for-the-magnetic-flux-f-that-goes-through-the-loop-as-a-function-of-time-t-and-how-does-it-change-during-this-movement-b44aac93</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-and-calculate-the-magnetic-force-applied-to-moving-electric-charges-verify-that-the-magnetic-force-is-perpendicular-to-both-the-velocity-and-the-magnetic-field/a-scientist-is-working-on-a-device-that-harnesses-magnetic-force-to-control-the-movement-of-charged-particles-in-a-test-a-particle-with-an-electric-charge-q-is-moving-at-a-speed-v-making-an-angle-of-30-with-the-direction-of-a-steady-magnetic-field-of-intensity-b-since-the-magnetic-force-acts-at-right-angles-to-both-the-particles-velocity-and-the-magnetic-field-what-is-the-correct-formula-for-the-magnitude-of-the-magnetic-force-f-acting-on-the-particle-b43f409d</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-collision-problems-of-bodies-in-two-or-more-dimensions-using-the-coefficient-of-restitution-for-this-purpose/two-balls-with-different-masses-are-sliding-along-a-frictionless-surface-ball-a-weighing-12-kg-is-heading-east-at-a-speed-of-500-ms-while-ball-b-weighing-08-kg-is-moving-north-at-300-ms-when-they-collide-in-a-partially-elastic-manner-at-an-angle-of-30-to-their-original-paths-what-will-be-the-speed-of-each-ball-after-the-collision-considering-a-coefficient-of-restitution-of-075-ad9c7d45</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-use-of-ohms-first-law-which-states-that-the-current-passing-through-a-conductor-between-two-points-is-directly-proportional-to-the-voltage-across-the-two-points/a-technician-is-installing-an-electrical-device-with-an-internal-resistance-of-5-w-when-he-connects-this-device-to-a-10-v-power-outlet-he-needs-to-calculate-the-current-flowing-through-the-device-using-ohms-law-what-will-the-strength-of-the-electric-current-be-d457438c</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-and-indicate-the-lines-of-force-of-a-given-electric-field-in-a-region-such-as-the-field-lines-generated-by-a-point-charge-with-a-certain-charge-or-set-of-charges/in-a-physics-lab-two-point-charges-are-fixed-at-different-spots-a-positive-charge-of-magnitude-q-and-a-negative-charge-of-magnitude-q-separated-by-a-distance-d-the-students-are-looking-into-the-pattern-of-the-electric-field-lines-that-come-from-this-setup-which-of-the-following-statements-about-the-force-lines-in-this-system-is-correct-75c03842</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/relate-the-power-of-a-body-with-its-speed-generated-at-that-moment-using-the-formula-pf-v-where-the-power-is-given-by-the-product-of-the-applied-force-by-the-speed-of-the-body/an-engineer-is-designing-two-machines-to-lift-the-same-load-vertically-at-a-steady-pace-machine-a-generates-a-power-of-3000-w-while-machine-b-operates-at-a-power-of-4500-w-assuming-there-are-no-energy-losses-and-that-the-force-needed-to-lift-the-load-simply-balances-out-the-gravitational-force-which-of-the-following-statements-about-the-lifting-speed-of-each-machine-is-accurate-d22ec9c4</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-centripetal-acceleration-of-a-body-undergoing-circular-motion-using-the-formula-where-centripetal-acceleration-equals-the-magnitude-of-velocity-squared-divided-by-the-radius/a-motorcyclist-is-navigating-a-bend-with-a-radius-of-75-metres-maintaining-a-steady-speed-of-90-kmh-to-avoid-skidding-its-essential-to-calculate-the-centripetal-acceleration-acting-on-the-motorcycle-using-the-information-provided-determine-the-centripetal-acceleration-and-assess-whether-the-available-friction-force-is-sufficient-to-maintain-smooth-circular-motion-9d89daba</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-aspects-of-the-special-theory-of-relativity-to-calculate-the-alteration-of-space-using-the-g-factor-the-lorentz-factor-which-is-based-on-the-relationship-between-the-speed-of-light-and-the-object/during-an-interplanetary-mission-a-spaceship-zips-along-at-a-speed-of-08-times-the-speed-of-light-in-relation-to-earth-according-to-einsteins-theory-of-special-relativity-lengths-in-the-direction-of-travel-contract-for-observers-back-on-earth-if-the-spaceship-measures-150-meters-from-the-perspective-of-someone-on-earth-what-length-would-an-astronaut-on-board-the-spaceship-measure-7c1f6560</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-a-constant-force-remembering-that-work-is-calculated-by-the-product-of-the-distance-traveled-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/in-a-park-maria-is-pulling-a-wagon-with-a-steady-force-of-80-n-at-an-angle-of-45-to-the-direction-shes-moving-the-wagon-covers-a-distance-of-15-metres-on-level-ground-given-this-information-what-is-the-work-done-by-maria-in-pulling-the-wagon-5a04f1ab</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-reference-frame-is-a-system-that-can-be-used-to-describe-the-motion-of-a-system-which-can-be-moving-or-at-rest-find-the-position-of-an-object-in-a-given-reference-system/a-person-is-watching-from-the-side-of-a-straight-road-as-a-cyclist-rides-along-at-a-steady-pace-of-20-kmh-if-we-take-the-road-as-our-reference-point-where-will-the-cyclist-be-after-1-hour-from-the-starting-point-7ae94925</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-a-constant-force-remembering-that-work-is-calculated-by-the-product-of-the-distance-traveled-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/an-operator-pushes-a-materials-cart-along-a-flat-surface-with-a-constant-force-of-300-n-at-an-angle-of-60-to-the-direction-of-movement-if-the-cart-travels-a-distance-of-1550-metres-what-is-the-work-done-by-the-force-applied-by-the-operator-6f9c611b</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-a-constant-force-remembering-that-work-is-calculated-by-the-product-of-the-distance-traveled-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/an-operator-pushes-a-materials-cart-along-a-flat-surface-with-a-constant-force-of-300-n-at-an-angle-of-60-to-the-direction-of-movement-if-the-cart-travels-a-distance-of-1550-metres-what-is-the-work-done-by-the-force-applied-by-the-operator-6f9c611b" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-the-weight-force-using-the-formula-tmgh-which-is-the-product-of-mass-gravity-and-the-change-in-height/joao-is-using-a-trolley-to-move-a-load-of-50-kg-from-the-ground-floor-to-the-second-floor-of-a-building-lifting-it-to-a-height-of-3-meters-given-that-the-acceleration-due-to-gravity-is-980-ms-what-is-the-work-done-by-the-weight-force-during-this-vertical-movement-63c812fa</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-the-weight-force-using-the-formula-tmgh-which-is-the-product-of-mass-gravity-and-the-change-in-height/joao-is-using-a-trolley-to-move-a-load-of-50-kg-from-the-ground-floor-to-the-second-floor-of-a-building-lifting-it-to-a-height-of-3-meters-given-that-the-acceleration-due-to-gravity-is-980-ms-what-is-the-work-done-by-the-weight-force-during-this-vertical-movement-63c812fa" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-distances-in-vertical-motions-calculate-the-distance-traveled-as-well-as-the-final-velocity-and-the-time-of-displacement-in-a-vertical-motion-such-as-when-an-object-falls-from-a-tower/an-amusement-park-has-set-up-a-60-metre-high-observation-tower-during-an-event-an-object-is-launched-straight-up-from-the-top-of-the-tower-with-an-initial-speed-of-15-ms-ignoring-air-resistance-and-considering-the-acceleration-due-to-gravity-as-98-ms-calculate-the-highest-point-the-object-reaches-relative-to-the-ground-and-the-total-time-it-takes-to-come-back-down-to-the-launch-point-63c87da6</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-distances-in-vertical-motions-calculate-the-distance-traveled-as-well-as-the-final-velocity-and-the-time-of-displacement-in-a-vertical-motion-such-as-when-an-object-falls-from-a-tower/an-amusement-park-has-set-up-a-60-metre-high-observation-tower-during-an-event-an-object-is-launched-straight-up-from-the-top-of-the-tower-with-an-initial-speed-of-15-ms-ignoring-air-resistance-and-considering-the-acceleration-due-to-gravity-as-98-ms-calculate-the-highest-point-the-object-reaches-relative-to-the-ground-and-the-total-time-it-takes-to-come-back-down-to-the-launch-point-63c87da6" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-galaxies-are-and-the-main-types-of-galaxies-that-exist-differentiate-galaxies-from-black-holes-nebulae-and-stars/as-our-understanding-of-the-universe-expands-scientists-are-recognising-and-categorising-a-variety-of-celestial-objects-when-observing-the-night-sky-its-crucial-to-differentiate-between-galaxies-stars-black-holes-and-nebulae-to-grasp-the-structure-of-the-cosmos-which-of-the-following-options-best-defines-a-galaxy-setting-it-apart-from-the-other-celestial-objects-mentioned-8704a74f</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-galaxies-are-and-the-main-types-of-galaxies-that-exist-differentiate-galaxies-from-black-holes-nebulae-and-stars/as-our-understanding-of-the-universe-expands-scientists-are-recognising-and-categorising-a-variety-of-celestial-objects-when-observing-the-night-sky-its-crucial-to-differentiate-between-galaxies-stars-black-holes-and-nebulae-to-grasp-the-structure-of-the-cosmos-which-of-the-following-options-best-defines-a-galaxy-setting-it-apart-from-the-other-celestial-objects-mentioned-8704a74f" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-work-done-by-an-elastic-force-comes-from-hookes-law-and-calculate-the-work-of-the-elastic-force-using-the-formula-wkx2/a-car-is-parked-on-a-spring-system-with-an-elastic-constant-k-leading-to-a-compression-x-at-the-equilibrium-position-applying-hookes-law-what-is-the-work-done-by-the-elastic-force-when-compressing-the-springs-from-the-equilibrium-position-to-the-compression-x-b2f33182</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-work-done-by-an-elastic-force-comes-from-hookes-law-and-calculate-the-work-of-the-elastic-force-using-the-formula-wkx2/a-car-is-parked-on-a-spring-system-with-an-elastic-constant-k-leading-to-a-compression-x-at-the-equilibrium-position-applying-hookes-law-what-is-the-work-done-by-the-elastic-force-when-compressing-the-springs-from-the-equilibrium-position-to-the-compression-x-b2f33182" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-main-forms-of-energy-generation-are-human-dependence-on-this-element-and-its-pros-and-cons/with-the-growth-of-technology-and-the-increasing-worries-surrounding-climate-change-both-governments-and-businesses-are-on-the-lookout-for-more-sustainable-and-less-polluting-energy-generation-options-in-an-area-with-considerable-wind-potential-but-limited-water-resources-selecting-the-right-energy-source-is-crucial-for-both-economic-and-environmental-sustainability-which-of-the-following-alternatives-best-supports-the-use-of-wind-energy-as-the-primary-source-of-electricity-generation-in-this-area-a6c6ff47</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-main-forms-of-energy-generation-are-human-dependence-on-this-element-and-its-pros-and-cons/with-the-growth-of-technology-and-the-increasing-worries-surrounding-climate-change-both-governments-and-businesses-are-on-the-lookout-for-more-sustainable-and-less-polluting-energy-generation-options-in-an-area-with-considerable-wind-potential-but-limited-water-resources-selecting-the-right-energy-source-is-crucial-for-both-economic-and-environmental-sustainability-which-of-the-following-alternatives-best-supports-the-use-of-wind-energy-as-the-primary-source-of-electricity-generation-in-this-area-a6c6ff47" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-beating-is-a-phenomenon-that-occurs-when-two-waves-of-slightly-different-frequencies-overlap-resulting-in-a-new-wave-whose-amplitude-varies-over-time-calculate-the-beat-frequency/a-sound-engineer-is-fine-tuning-two-speakers-that-are-producing-sound-waves-with-slightly-different-frequencies-when-they-play-the-same-note-he-notices-some-variations-in-the-volume-that-he-can-hear-if-one-speaker-is-set-to-a-frequency-of-51250-hz-and-the-other-to-51500-hz-what-will-be-the-frequency-of-the-beats-that-result-56c4f7aa</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-beating-is-a-phenomenon-that-occurs-when-two-waves-of-slightly-different-frequencies-overlap-resulting-in-a-new-wave-whose-amplitude-varies-over-time-calculate-the-beat-frequency/a-sound-engineer-is-fine-tuning-two-speakers-that-are-producing-sound-waves-with-slightly-different-frequencies-when-they-play-the-same-note-he-notices-some-variations-in-the-volume-that-he-can-hear-if-one-speaker-is-set-to-a-frequency-of-51250-hz-and-the-other-to-51500-hz-what-will-be-the-frequency-of-the-beats-that-result-56c4f7aa" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-calculation-of-the-capacitance-of-capacitors-that-are-in-series-using-that-the-inverse-of-the-equivalent-capacitance-is-the-sum-of-the-inverses-of-the-capacitances/in-an-electrical-circuit-of-an-electronic-device-four-capacitors-with-capacitances-of-150-f-225-f-360-f-and-480-f-are-connected-in-series-work-out-the-equivalent-capacitance-of-this-setup-d30dab8c</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-calculation-of-the-capacitance-of-capacitors-that-are-in-series-using-that-the-inverse-of-the-equivalent-capacitance-is-the-sum-of-the-inverses-of-the-capacitances/in-an-electrical-circuit-of-an-electronic-device-four-capacitors-with-capacitances-of-150-f-225-f-360-f-and-480-f-are-connected-in-series-work-out-the-equivalent-capacitance-of-this-setup-d30dab8c" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-the-reactions-of-the-main-forces-such-as-the-reaction-to-the-weight-force-and-the-normal-force-understand-that-every-force-will-have-a-reaction-of-the-same-magnitude-and-direction-but-opposite-senses/a-worker-pushes-a-box-with-a-force-of-50-n-on-a-flat-surface-according-to-newtons-third-law-what-is-the-force-that-the-box-applies-back-on-the-worker-dcfc77f8</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/find-the-reactions-of-the-main-forces-such-as-the-reaction-to-the-weight-force-and-the-normal-force-understand-that-every-force-will-have-a-reaction-of-the-same-magnitude-and-direction-but-opposite-senses/a-worker-pushes-a-box-with-a-force-of-50-n-on-a-flat-surface-according-to-newtons-third-law-what-is-the-force-that-the-box-applies-back-on-the-worker-dcfc77f8" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-specific-mass-is-which-can-be-calculated-by-the-ratio-of-the-bodys-mass-to-its-volume-differentiate-specific-mass-from-relative-density/in-a-lab-experiment-a-student-measures-the-mass-and-volume-of-two-different-materials-material-x-has-a-mass-of-075-kg-and-takes-up-a-volume-of-015-m-while-material-y-has-a-mass-of-120-kg-and-fills-a-volume-of-030-m-based-on-this-information-which-of-the-materials-has-a-higher-specific-mass-d1c75408</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-specific-mass-is-which-can-be-calculated-by-the-ratio-of-the-bodys-mass-to-its-volume-differentiate-specific-mass-from-relative-density/in-a-lab-experiment-a-student-measures-the-mass-and-volume-of-two-different-materials-material-x-has-a-mass-of-075-kg-and-takes-up-a-volume-of-015-m-while-material-y-has-a-mass-of-120-kg-and-fills-a-volume-of-030-m-based-on-this-information-which-of-the-materials-has-a-higher-specific-mass-d1c75408" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-trajectory-of-an-object-is-find-the-trajectory-of-some-bodies-as-well-as-describe-that-trajectory-such-as-a-car-traveling-on-a-road-at-constant-speed/a-bus-travels-on-a-straight-road-at-a-constant-speed-of-60-kmh-after-2-hours-of-travel-the-driver-takes-a-turn-onto-a-new-road-that-forms-a-45-angle-to-the-original-route-keeping-the-same-speed-considering-the-starting-position-of-the-bus-as-the-origin-what-is-the-total-distance-travelled-by-the-bus-after-changing-direction-96f88071</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-trajectory-of-an-object-is-find-the-trajectory-of-some-bodies-as-well-as-describe-that-trajectory-such-as-a-car-traveling-on-a-road-at-constant-speed/a-bus-travels-on-a-straight-road-at-a-constant-speed-of-60-kmh-after-2-hours-of-travel-the-driver-takes-a-turn-onto-a-new-road-that-forms-a-45-angle-to-the-original-route-keeping-the-same-speed-considering-the-starting-position-of-the-bus-as-the-origin-what-is-the-total-distance-travelled-by-the-bus-after-changing-direction-96f88071" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-resistance-and-resistivity-of-materials-are-differentiating-between-them-calculate-the-electrical-resistance-through-resistivity-length-and-cross-sectional-area-of-the-conductor/a-power-company-is-gearing-up-to-install-two-kinds-of-cables-for-energy-transmission-in-a-new-urban-network-cable-a-has-a-resistivity-of-168-10-wm-a-length-of-10-km-and-a-cross-sectional-area-of-25-mm-cable-b-has-a-resistivity-of-220-10-wm-a-length-of-8-km-and-a-cross-sectional-area-of-35-mm-looking-at-ohms-second-law-which-cable-is-likely-to-have-a-lower-electrical-resistance-and-as-a-result-less-energy-loss-during-transmission-for-the-same-electric-current-b84555aa</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-resistance-and-resistivity-of-materials-are-differentiating-between-them-calculate-the-electrical-resistance-through-resistivity-length-and-cross-sectional-area-of-the-conductor/a-power-company-is-gearing-up-to-install-two-kinds-of-cables-for-energy-transmission-in-a-new-urban-network-cable-a-has-a-resistivity-of-168-10-wm-a-length-of-10-km-and-a-cross-sectional-area-of-25-mm-cable-b-has-a-resistivity-of-220-10-wm-a-length-of-8-km-and-a-cross-sectional-area-of-35-mm-looking-at-ohms-second-law-which-cable-is-likely-to-have-a-lower-electrical-resistance-and-as-a-result-less-energy-loss-during-transmission-for-the-same-electric-current-b84555aa" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/analyze-stellar-evolution-by-associating-it-with-models-of-origin-and-distribution-of-chemical-elements-in-the-universe-understanding-their-relationships-with-the-conditions-necessary-for-the-emergence-of-solar-systems/as-stars-go-through-their-life-cycles-the-various-stages-of-stellar-evolution-play-a-vital-role-in-the-creation-and-distribution-of-chemical-elements-throughout-the-universe-for-instance-massive-stars-conclude-their-life-spans-with-spectacular-supernova-explosions-which-scatter-heavier-elements-into-the-interstellar-medium-with-these-processes-in-mind-which-of-the-following-statements-best-illustrates-the-link-between-stellar-evolution-and-the-conditions-needed-for-the-formation-of-solar-systems-243158a9</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/analyze-stellar-evolution-by-associating-it-with-models-of-origin-and-distribution-of-chemical-elements-in-the-universe-understanding-their-relationships-with-the-conditions-necessary-for-the-emergence-of-solar-systems/as-stars-go-through-their-life-cycles-the-various-stages-of-stellar-evolution-play-a-vital-role-in-the-creation-and-distribution-of-chemical-elements-throughout-the-universe-for-instance-massive-stars-conclude-their-life-spans-with-spectacular-supernova-explosions-which-scatter-heavier-elements-into-the-interstellar-medium-with-these-processes-in-mind-which-of-the-following-statements-best-illustrates-the-link-between-stellar-evolution-and-the-conditions-needed-for-the-formation-of-solar-systems-243158a9" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-and-recognize-the-main-prefixes-of-the-international-system-milli-kilo-etc-perform-conversions-between-multiples-and-submultiples-of-the-main-units-of-measurement-of-the-international-system/in-a-packaging-factory-boxes-are-made-with-dimensions-measured-in-millimetres-to-ensure-accuracy-during-assembly-an-engineer-needs-to-figure-out-the-volume-of-a-box-that-measures-500-mm-in-length-300-mm-in-width-and-200-mm-in-height-considering-the-prefixes-from-the-international-system-which-of-the-following-units-accurately-represents-the-volume-of-this-box-da6c39df</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-and-recognize-the-main-prefixes-of-the-international-system-milli-kilo-etc-perform-conversions-between-multiples-and-submultiples-of-the-main-units-of-measurement-of-the-international-system/in-a-packaging-factory-boxes-are-made-with-dimensions-measured-in-millimetres-to-ensure-accuracy-during-assembly-an-engineer-needs-to-figure-out-the-volume-of-a-box-that-measures-500-mm-in-length-300-mm-in-width-and-200-mm-in-height-considering-the-prefixes-from-the-international-system-which-of-the-following-units-accurately-represents-the-volume-of-this-box-da6c39df" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-the-general-gas-equation-to-calculate-pressure-volume-temperature-and-number-of-moles-of-a-given-ideal-gas/in-a-physics-lab-a-researcher-uses-a-sealed-container-with-350-mol-of-an-ideal-gas-at-an-initial-pressure-of-120-atm-and-a-temperature-of-298-k-after-heating-the-gas-to-450-k-while-keeping-the-volume-the-same-the-internal-pressure-increases-later-the-researcher-carries-out-an-isothermal-expansion-reducing-the-pressure-to-080-atm-based-on-the-ideal-gas-equation-what-will-be-the-new-number-of-moles-of-gas-in-the-container-after-these-changes-f03d8ae3</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/use-the-general-gas-equation-to-calculate-pressure-volume-temperature-and-number-of-moles-of-a-given-ideal-gas/in-a-physics-lab-a-researcher-uses-a-sealed-container-with-350-mol-of-an-ideal-gas-at-an-initial-pressure-of-120-atm-and-a-temperature-of-298-k-after-heating-the-gas-to-450-k-while-keeping-the-volume-the-same-the-internal-pressure-increases-later-the-researcher-carries-out-an-isothermal-expansion-reducing-the-pressure-to-080-atm-based-on-the-ideal-gas-equation-what-will-be-the-new-number-of-moles-of-gas-in-the-container-after-these-changes-f03d8ae3" />
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-average-scalar-acceleration-that-a-body-had-to-go-from-an-initial-velocity-to-a-final-velocity-in-a-certain-time-such-as-a-mobile-going-from-1-ms-to-10-ms-in-9-s-requires-an-acceleration-of-1-ms/a-vehicle-accelerates-from-12-ms-to-28-ms-over-a-duration-of-75-seconds-during-a-resistance-test-based-on-this-movement-what-was-the-average-scalar-acceleration-of-the-vehicle-during-this-period-6322d3ed</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-when-a-mobile-object-moves-along-a-path-it-moves-and-its-position-changes-calculate-the-variation-between-two-different-moments-of-a-path-such-as-a-mobile-object-moving-from-position-2-to-position-5/in-a-physics-lab-two-robots-are-navigating-along-a-10-metre-ruler-in-opposite-directions-robot-a-starts-at-position-x-200-metres-and-after-a-time-interval-t-moves-to-x-575-metres-at-the-same-time-robot-b-begins-from-position-x-500-metres-and-moves-to-x-125-metres-during-the-same-time-period-t-considering-the-movements-of-both-robots-what-is-the-position-change-dx-for-each-robot-and-in-which-direction-did-their-displacements-occur-9c306280</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-and-dimension-an-unknown-magnitude-or-constant-based-on-the-relationships-of-a-formula-and-the-dimension-of-known-magnitudes-such-as-speed-having-dimension-1-of-length-and-1-of-time/an-engineer-is-designing-a-ventilation-system-and-uses-the-following-equation-to-determine-the-necessary-airflow-q-k-va-db-where-q-represents-the-airflow-v-is-the-fan-speed-and-d-is-the-diameter-of-the-ducts-given-that-the-dimensions-of-q-are-lt-of-v-are-lt-and-of-d-are-l-determine-the-dimension-of-the-constant-k-cfef31a4</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-calculation-of-the-capacitance-of-capacitors-that-are-in-series-using-that-the-inverse-of-the-equivalent-capacitance-is-the-sum-of-the-inverses-of-the-capacitances/a-local-engineer-is-putting-together-an-electronic-circuit-that-utilises-capacitors-connected-in-series-to-manage-the-timing-of-a-signal-he-chooses-three-capacitors-with-values-of-4-f-6-f-and-12-f-and-links-them-in-series-within-the-circuit-what-is-the-overall-capacitance-of-this-setup-78f62f60</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understanding-what-a-magnet-is-it-is-an-object-that-produces-a-magnetic-field-around-it-this-magnetic-field-is-invisible-but-it-is-responsible-for-the-force-that-attracts-ferromagnetic-objects-and-has-a-north-and-a-south-pole/mariana-is-conducting-an-experiment-to-showcase-how-magnets-interact-she-places-two-bar-magnets-on-a-table-ensuring-that-the-north-poles-of-both-are-aligned-in-the-same-direction-to-balance-the-magnets-mariana-needs-to-adjust-the-position-of-one-of-them-based-on-the-properties-of-magnetic-fields-what-change-should-mariana-make-to-reduce-the-repulsive-force-between-the-magnets-8df29226</loc>
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  </url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/perform-calculations-regarding-the-movements-of-objects-on-earth-in-the-solar-system-and-in-the-universe-based-on-the-analysis-of-gravitational-interactions/an-astrophysics-student-is-looking-into-the-gravitational-interactions-between-the-earth-and-the-moon-contrasted-with-those-between-the-sun-and-jupiter-given-newtons-laws-of-universal-gravitation-which-of-the-following-expressions-accurately-reflects-the-ratio-of-gravitational-forces-in-these-two-scenarios-0e0915bb</loc>
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  </url>
  <url>
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  </url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/equation-a-hydrogen-like-atom-based-on-the-concepts-of-modern-physics-calculating-for-example-the-radius-of-the-atom-in-the-nth-orbit/in-a-modern-physics-lesson-a-learner-notes-that-when-a-hydrogen-atom-emits-light-it-does-so-at-specific-spectral-lines-as-outlined-by-the-bohr-model-given-that-the-energy-of-an-electron-in-the-n-th-orbit-is-described-by-the-bohr-equation-and-the-radius-of-this-orbit-can-be-calculated-from-fundamental-constants-what-is-the-correct-formula-for-determining-the-radius-of-the-hydrogen-atom-in-the-n-th-orbit-65e50955</loc>
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  </url>
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  </url>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/mark-the-main-forces-acting-on-a-body-place-the-weight-force-knowing-its-direction-and-sense-place-the-contact-forces-with-their-directions-and-senses-appropriately-remembering-that-where-there-is-contact-there-is-force/a-block-of-wood-with-a-mass-of-20-kg-is-being-pulled-by-an-applied-force-of-60-n-inclined-at-45-above-the-horizontal-on-a-flat-surface-with-no-friction-to-properly-analyse-the-movement-of-the-block-its-important-to-identify-all-the-forces-acting-on-it-what-are-the-main-forces-at-play-and-can-you-indicate-their-directions-and-effects-e297ef2f" />
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-centripetal-force-of-a-curvilinear-motion-using-the-formula-fmvr-use-this-to-solve-mechanics-problems-such-as-a-vehicle-making-a-turn-on-a-track/a-motorcyclist-weighing-200-kg-is-negotiating-a-tight-turn-on-a-circular-track-with-a-radius-of-50-meters-maintaining-a-steady-speed-of-20-ms-what-centripetal-force-is-needed-for-the-motorcycle-to-make-the-turn-without-skidding-24388f63</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-instantaneous-acceleration-is-and-how-to-calculate-it-for-a-moving-object-starting-from-the-equation-of-its-trajectory-such-as-if-the-position-as-a-function-of-time-is-p10t-5t-the-acceleration-is-10-ms/in-a-lab-experiment-a-student-tracked-the-position-of-a-moving-object-over-time-and-derived-the-equation-pt-4t-3t-where-p-represents-meters-and-t-represents-seconds-based-on-this-path-what-is-the-instantaneous-acceleration-of-the-moving-object-at-t-2-seconds-1a7aea6c</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-aspects-of-the-special-theory-of-relativity-to-calculate-time-dilation-using-the-lorentz-factor-g-which-is-based-on-the-relationship-between-the-speed-of-light-and-the-speed-of-the-object/during-a-space-mission-a-spacecraft-is-travelling-at-a-steady-speed-of-08-times-the-speed-of-light-in-relation-to-earth-using-the-principles-of-special-relativity-what-is-the-time-dilation-factor-g-that-corresponds-to-this-speed-60ca40fa</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-power-generated-by-the-joule-effect-in-a-resistor-or-a-circuit-and-solve-problems-that-require-this-calculation-such-as-the-time-needed-for-a-resistor-to-heat-a-certain-amount-of-water/in-a-lab-an-electric-heater-is-used-to-heat-300-grams-of-water-from-25c-to-75c-in-150-seconds-given-that-the-heater-operates-at-100percent-efficiency-and-the-specific-heat-capacity-of-water-is-418-jgc-what-is-the-power-output-of-the-heater-51515bf7</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-stars-such-as-red-dwarfs-and-white-dwarfs-and-neutron-stars-understand-how-the-evolution-of-stars-modifies-them-and-the-types-of-stars-that-can-be-generated/during-the-night-observation-a-student-notices-that-some-stars-appear-reddish-while-others-shine-bright-white-and-are-quite-compact-based-on-the-life-cycle-of-stars-which-of-these-types-of-stars-indicates-a-remnant-of-a-star-with-a-mass-like-that-of-the-sun-694917fd</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-gravitational-acceleration-of-planets-using-the-universal-law-of-gravitation-such-as-finding-gravity-on-earth-at-a-distance-that-is-twice-the-radius-of-the-earth/an-astronaut-is-orbiting-the-earth-at-a-height-where-the-distance-from-the-core-of-the-planet-is-double-its-radius-using-the-law-of-universal-gravitation-what-is-the-gravitational-acceleration-acting-on-the-astronaut-at-this-position-51c51a3e</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-elastic-force-is-which-arises-when-an-elastic-object-such-as-a-spring-or-an-elastic-band-is-stretched-or-compressed-calculate-the-force-exerted-on-a-body-using-the-formula-fkx/an-engineer-is-putting-the-resistance-of-an-elastic-material-used-in-vehicle-shock-absorbers-to-the-test-he-hooks-up-a-spring-with-an-elastic-constant-k-to-a-fixed-base-and-pulls-on-it-to-stretch-it-to-an-extension-x-since-the-system-is-in-equilibrium-what-is-the-elastic-force-that-the-spring-exerts-when-it-is-stretched-03541976</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-gausss-equation-to-calculate-the-distance-between-images-and-mirrors-based-on-the-mirrors-focal-length-as-well-as-the-linear-magnification/a-local-interior-design-firm-is-keen-on-using-mirrors-to-create-the-illusion-of-more-space-in-a-room-theyve-selected-a-concave-mirror-with-a-focal-length-of-4000-cm-and-a-convex-mirror-with-a-focal-length-of-5000-cm-they-have-a-decorative-piece-that-stands-1000-cm-tall-placed-6000-cm-in-front-of-the-concave-mirror-by-applying-the-gaussian-equation-determine-how-far-the-image-formed-by-the-concave-mirror-is-and-the-linear-magnification-then-recognise-that-this-image-will-act-as-the-object-for-the-convex-mirror-calculate-the-final-position-of-the-image-produced-by-the-convex-mirror-and-the-overall-magnification-of-the-mirror-system-7494d783</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/use-gausss-equation-to-calculate-the-distance-between-images-and-mirrors-based-on-the-mirrors-focal-length-as-well-as-the-linear-magnification/a-local-interior-design-firm-is-keen-on-using-mirrors-to-create-the-illusion-of-more-space-in-a-room-theyve-selected-a-concave-mirror-with-a-focal-length-of-4000-cm-and-a-convex-mirror-with-a-focal-length-of-5000-cm-they-have-a-decorative-piece-that-stands-1000-cm-tall-placed-6000-cm-in-front-of-the-concave-mirror-by-applying-the-gaussian-equation-determine-how-far-the-image-formed-by-the-concave-mirror-is-and-the-linear-magnification-then-recognise-that-this-image-will-act-as-the-object-for-the-convex-mirror-calculate-the-final-position-of-the-image-produced-by-the-convex-mirror-and-the-overall-magnification-of-the-mirror-system-7494d783" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-snells-law-to-calculate-the-angular-displacement-of-beams-occurring-in-prisms-solve-problems-involving-deviations-in-beams-passing-through-a-specific-prism/an-optical-engineer-is-working-on-a-spectrometer-that-employs-prisms-to-spread-white-light-into-its-various-colour-components-while-putting-the-device-to-the-test-he-directs-a-beam-of-light-at-an-angle-of-25-to-the-normal-of-the-prisms-entry-face-which-has-an-angle-of-45-and-a-refractive-index-of-152-what-is-the-total-angular-deviation-of-the-light-beam-as-it-passes-through-the-prism-cf934c79</loc>
    <lastmod>2025-04-28</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-wave-can-refract-and-its-concept-calculate-the-angle-of-refraction-and-understand-the-consequences-of-refraction/a-fisherman-is-standing-at-the-edge-of-a-dam-holding-his-fishing-rod-the-sunlight-glimmers-on-the-waters-surface-forming-an-angle-of-50-with-the-normal-to-the-surface-given-that-the-refractive-index-of-water-is-133-what-is-the-angle-at-which-the-light-refracts-as-it-enters-the-water-d84e2413</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-wave-can-refract-and-its-concept-calculate-the-angle-of-refraction-and-understand-the-consequences-of-refraction/a-fisherman-is-standing-at-the-edge-of-a-dam-holding-his-fishing-rod-the-sunlight-glimmers-on-the-waters-surface-forming-an-angle-of-50-with-the-normal-to-the-surface-given-that-the-refractive-index-of-water-is-133-what-is-the-angle-at-which-the-light-refracts-as-it-enters-the-water-d84e2413" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-calculation-of-capacitance-of-capacitors-that-are-in-parallel-using-the-fact-that-when-capacitors-are-in-series-we-must-add-the-capacitances/a-local-electronics-company-is-working-on-a-new-smartphone-model-that-uses-capacitors-to-manage-electrical-energy-flow-in-the-voltage-stabilization-circuit-the-engineers-decide-to-connect-two-groups-of-capacitors-in-parallel-the-first-group-consists-of-two-capacitors-of-50-f-each-connected-in-series-while-the-second-group-is-made-up-of-three-capacitors-of-30-f-connected-in-parallel-to-ensure-the-system-runs-efficiently-what-should-be-the-total-capacitance-resulting-from-this-setup-4726aaba</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-buoyancy-of-a-body-and-understand-its-meaning-solve-problems-of-submerged-bodies-that-require-the-calculation-of-buoyancy/a-naval-engineer-is-designing-a-new-type-of-boat-that-needs-to-float-stably-in-fresh-water-to-ensure-stability-its-important-to-calculate-the-buoyancy-acting-on-the-hull-of-the-boat-when-its-fully-submerged-given-that-the-density-of-fresh-water-is-100-gcm-and-the-volume-of-the-submerged-hull-is-250-m-what-is-the-buoyancy-force-acting-on-the-hull-of-the-boat-1125cdc0</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/subtract-different-vectors-using-the-representation-of-vectors-in-the-cartesian-plane-such-as-2ij-i3j-or-by-the-geometric-representation-of-the-vectors/a-cyclist-is-riding-on-a-track-where-two-forces-are-at-play-the-first-force-is-represented-by-the-vector-f-6i-4j-n-while-the-second-force-is-denoted-by-the-vector-f-2i-5j-n-which-acts-in-the-opposite-direction-what-is-the-total-resultant-force-acting-on-the-cyclist-bda1f537</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-the-general-gas-equation-to-calculate-pressure-volume-temperature-and-number-of-moles-of-a-given-ideal-gas/in-an-in-vitro-fertilization-incubator-a-technician-is-using-a-cylinder-with-150-moles-of-carbon-dioxide-at-a-temperature-of-2500-c-and-an-initial-pressure-of-100-atm-to-create-conditions-similar-to-those-in-the-uterus-he-heats-the-gas-to-3700-c-and-increases-the-volume-to-2240-l-using-the-general-gas-equation-what-will-be-the-final-pressure-of-the-carbon-dioxide-inside-the-incubator-18ae1f18</loc>
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    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/use-the-general-gas-equation-to-calculate-pressure-volume-temperature-and-number-of-moles-of-a-given-ideal-gas/in-an-in-vitro-fertilization-incubator-a-technician-is-using-a-cylinder-with-150-moles-of-carbon-dioxide-at-a-temperature-of-2500-c-and-an-initial-pressure-of-100-atm-to-create-conditions-similar-to-those-in-the-uterus-he-heats-the-gas-to-3700-c-and-increases-the-volume-to-2240-l-using-the-general-gas-equation-what-will-be-the-final-pressure-of-the-carbon-dioxide-inside-the-incubator-18ae1f18" />
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-instantaneous-acceleration-is-and-how-to-calculate-it-for-a-moving-object-starting-from-the-equation-of-its-trajectory-such-as-if-the-position-as-a-function-of-time-is-p10t-5t-the-acceleration-is-10-ms/a-motorbike-travels-along-a-straight-path-and-its-position-over-time-is-given-by-pt-t3-6t2-9t-where-p-is-in-metres-and-t-is-in-seconds-what-is-the-instantaneous-acceleration-of-the-motorbike-at-the-point-when-its-velocity-is-at-its-lowest-ddbf818f</loc>
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    <changefreq>monthly</changefreq>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-tools-such-as-graphs-to-calculate-the-work-of-a-force-using-the-idea-that-the-area-on-a-force-by-displacement-graph-is-numerically-equal-to-the-work-generated-by-the-force/when-a-student-pushes-a-shopping-trolley-the-force-they-apply-changes-as-they-manoeuvre-it-through-the-store-the-graph-showing-the-relationship-between-the-force-applied-and-the-distance-travelled-indicates-that-the-force-increases-steadily-from-10-n-to-30-n-over-a-total-distance-of-4-metres-based-on-this-graph-how-much-work-has-been-done-by-the-force-applied-by-the-student-5f9a33a2</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-a-gas-in-various-gas-transformations-using-the-change-in-volume-and-the-pressure-of-the-gas/when-a-gas-undergoes-an-adiabatic-compression-is-the-work-done-in-the-transformation-positive-or-neg-59e2a</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-aspects-of-the-special-theory-of-relativity-to-calculate-the-alteration-of-space-using-the-g-factor-the-lorentz-factor-which-is-based-on-the-relationship-between-the-speed-of-light-and-the-object/a-missile-measuring-300-meters-is-hurtling-through-space-at-a-speed-of-08-times-the-speed-of-light-as-seen-by-someone-stationary-on-earth-according-to-the-principles-of-special-relativity-the-observer-on-earth-will-notice-that-the-missile-appears-shorter-in-the-direction-its-travelling-using-the-lorentz-factor-lets-figure-out-how-long-the-missile-looks-to-the-earth-observer-and-see-how-this-shortening-aligns-with-the-predictions-made-by-special-relativity-84205874</loc>
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  </url>
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  </url>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-and-understand-elastic-potential-energy-and-work-to-solve-problems/maria-is-carrying-out-an-experiment-with-a-perfect-spring-shes-applying-different-forces-to-stretch-the-spring-and-then-measuring-how-it-deforms-accordingly-in-her-trials-when-a-force-of-3-n-is-applied-the-spring-stretches-by-06-m-and-with-a-force-of-6-n-it-stretches-12-m-based-on-this-data-what-is-the-equation-that-shows-the-link-between-the-applied-force-f-and-the-deformation-of-the-spring-x-de5f1b62</loc>
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  </url>
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  <url>
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  </url>
  <url>
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  </url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-vergence-is-the-inverse-of-the-focal-length-of-a-lens-and-calculate-it-for-various-lenses-such-as-for-a-lens-with-a-focal-length-of-two-meters/a-optics-company-is-working-on-a-lens-system-aimed-at-improving-the-clarity-of-images-taken-by-telescope-cameras-to-achieve-this-the-engineer-in-charge-has-chosen-a-converging-lens-with-a-focal-length-of-250-meters-and-another-one-with-a-focal-length-of-080-meters-since-the-vergence-of-a-lens-is-the-inverse-of-its-focal-length-what-is-the-total-vergence-of-the-lenses-being-used-in-the-system-be7cb3d6</loc>
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  </url>
  <url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-apparent-frequency-perceived-by-an-observer-who-may-be-moving-or-stationary-from-a-sound-source-that-may-be-moving-or-stationary-it-is-important-that-at-least-one-of-the-two-is-moving/a-response-vehicle-with-a-siren-that-gives-off-sound-waves-at-a-frequency-of-700-hz-is-speeding-towards-an-intersection-at-20-ms-at-the-same-time-a-pedestrian-making-their-way-to-the-intersection-hears-the-siren-given-that-the-speed-of-sound-in-air-is-340-ms-what-apparent-frequency-does-the-pedestrian-perceive-for-the-siren-8c5c822c</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-electric-force-can-perform-work-use-the-work-of-an-electric-force-to-calculate-the-value-of-a-certain-charge-or-the-value-of-velocities/while-setting-up-a-runoff-track-for-charged-particles-engineers-must-calculate-the-work-done-by-the-electric-force-to-move-a-charge-of-8-c-over-a-distance-of-25-metres-within-a-uniform-electric-field-given-that-the-total-work-done-during-this-process-is-400-j-what-would-be-the-strength-of-the-electric-field-in-the-track-f2f9cd26</loc>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-static-friction-and-dynamic-friction-calculate-the-static-friction-force-acting-on-a-certain-body-and-the-maximum-static-friction-using-the-formula-fn-calculate-the-kinetic-friction-force-using-the-formula-fn/a-player-is-trying-to-push-a-50-kg-box-across-the-gym-floor-when-they-apply-a-horizontal-force-they-notice-that-the-box-doesnt-budge-given-that-the-coefficient-of-static-friction-between-the-box-and-the-floor-is-04-what-is-the-least-amount-of-force-the-player-must-use-to-get-the-box-moving-9e1d5c8c</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-work-done-by-an-elastic-force-comes-from-hookes-law-and-calculate-the-work-of-the-elastic-force-using-the-formula-wkx2/a-spring-system-comprises-two-identical-springs-connected-in-series-each-with-a-spring-constant-k-when-an-external-force-is-applied-to-stretch-the-system-a-total-distance-of-x-we-need-to-calculate-the-work-done-by-the-elastic-forces-during-this-extension-what-is-the-amount-of-work-done-by-the-spring-system-when-it-is-stretched-by-this-distance-x-0553bdfc</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-it-is-and-calculate-the-electric-potential-as-the-division-of-work-done-by-the-charge-relate-the-electric-potential-to-other-magnitudes-such-as-work-and-the-electric-field/a-technician-is-setting-up-two-measurement-points-on-an-electrical-circuit-where-the-electric-field-is-steady-with-an-intensity-of-500-vm-if-a-charge-of-4mc-does-002-j-of-work-when-moved-from-point-a-to-point-b-against-the-electric-field-what-is-the-electric-potential-at-point-b-in-relation-to-point-a-7a639e7d</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-for-a-rigid-body-to-be-stationary-it-needs-to-have-the-sum-of-its-forces-and-the-sum-of-its-moments-equal-to-zero-solve-statics-problems-and-find-the-forces-acting-on-the-main-components/a-access-point-to-a-shed-consists-of-two-sturdy-beams-each-5-metres-long-joined-at-the-top-by-a-crossbeam-the-beams-are-held-up-by-vertical-supports-creating-an-isosceles-triangle-shape-a-uniformly-distributed-load-of-800-nm-is-placed-on-each-beam-given-that-the-system-is-in-static-equilibrium-what-is-the-compression-force-acting-on-the-main-beams-at-the-connection-point-at-the-top-a51e0de7</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-gausss-equation-to-calculate-the-distance-between-images-and-mirrors-based-on-the-mirrors-focal-length-as-well-as-the-linear-magnification/in-an-optics-lab-educators-are-setting-up-a-mirror-system-to-project-enlarged-images-of-small-objects-used-in-physics-experiments-using-a-concave-mirror-with-a-focal-length-of-1500-cm-it-was-noted-that-the-image-formed-has-a-linear-magnification-of-250-times-based-on-the-gaussian-equation-what-is-the-distance-between-the-formed-image-and-the-mirror-30e19fa3</loc>
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  <url>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-main-optical-instruments-are-calculate-the-distances-and-focal-lengths-of-the-main-optical-instruments/an-astronomer-is-setting-up-his-telescope-to-observe-a-distant-star-he-knows-that-the-focal-length-of-the-telescopes-objective-lens-is-1500-mm-to-get-a-clear-image-he-needs-to-calculate-the-distance-between-the-objective-lens-and-the-eyepiece-since-the-eyepiece-has-a-focal-length-of-25-mm-what-should-the-total-distance-be-between-the-objective-and-the-eyepiece-to-achieve-the-best-possible-magnification-c79f58bb</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-the-weight-force-using-the-formula-tmgh-which-is-the-product-of-mass-gravity-and-the-change-in-height/a-box-with-a-mass-of-5000-kg-is-dragged-steadily-along-an-inclined-plane-that-is-1000-meters-long-and-forms-a-20-angle-with-the-horizontal-assuming-the-acceleration-due-to-gravity-is-981-ms-and-ignoring-any-frictional-forces-what-is-the-work-done-by-the-weight-force-as-the-box-moves-to-the-bottom-of-the-inclined-plane-9f174f04</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/equation-a-hydrogen-like-atom-based-on-the-concepts-of-modern-physics-calculating-for-example-the-radius-of-the-atom-in-the-nth-orbit/in-a-modern-physics-lab-researchers-use-the-bohr-model-to-investigate-hydrogen-like-atoms-and-determine-characteristics-such-as-the-radius-of-the-electron-orbits-the-radius-of-an-orbit-at-energy-level-n-depends-on-the-atomic-number-z-and-is-expressed-as-rn-n2-a0-z-where-a0-is-the-fundamental-bohr-radius-based-on-this-what-is-the-radius-of-the-orbit-at-energy-level-n-3-for-a-hydrogen-like-atom-with-atomic-number-z-2-f66090cb</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-power-generated-by-the-joule-effect-in-a-resistor-or-a-circuit-and-solve-problems-that-require-this-calculation-such-as-the-time-needed-for-a-resistor-to-heat-a-certain-amount-of-water/a-factory-is-setting-up-an-electric-heating-system-to-heat-200-litres-of-oil-from-30-c-to-90-c-this-system-utilises-resistors-with-a-total-resistance-of-2000-ohms-connected-to-a-power-source-of-22000-volts-given-that-the-systems-efficiency-is-85percent-and-the-heat-capacity-of-the-oil-is-200-jgc-what-is-the-electrical-power-required-to-achieve-the-desired-heating-in-45-minutes-d563401a</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-distances-in-vertical-motions-calculate-the-distance-traveled-as-well-as-the-final-velocity-and-the-time-of-displacement-in-a-vertical-motion-such-as-when-an-object-falls-from-a-tower/an-engineer-is-designing-a-new-park-walkway-that-includes-a-tall-tower-from-which-visitors-will-experience-a-free-fall-he-wants-to-estimate-how-long-it-will-take-for-a-visitor-to-hit-the-ground-after-being-released-from-the-towers-top-calculate-the-time-it-will-take-for-the-visitor-to-reach-the-ground-given-that-the-tower-height-is-45-meters-and-we-will-ignore-air-resistance-d252b6b7</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-buoyancy-of-a-body-and-understand-its-meaning-solve-problems-of-submerged-bodies-that-require-the-calculation-of-buoyancy/a-naval-engineer-is-in-the-process-of-designing-a-new-type-of-submarine-that-needs-to-stay-stable-while-submerged-at-different-depths-in-the-ocean-to-ensure-the-design-is-effective-he-needs-to-figure-out-the-required-buoyancy-to-counterbalance-the-entire-weight-of-the-submarine-which-weighs-25000-tons-the-total-submerged-volume-of-the-submarine-is-30000-cubic-metres-given-that-seawater-has-a-density-of-about-1025-kgm-what-amount-of-buoyancy-should-be-exerted-by-the-water-on-the-submarine-to-maintain-its-stability-91e3baae</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-gravitational-potential-energy-of-a-body-and-its-variation-relating-it-to-kinetic-energy-such-as-when-calculating-the-speed-of-a-body-descending-a-ramp-of-a-certain-height/a-cyclist-weighing-70-kg-goes-down-an-incline-thats-at-a-30-degree-angle-to-the-horizontal-starting-from-rest-at-the-top-which-is-20-meters-off-the-ground-ignoring-friction-and-air-resistance-what-is-the-cyclists-speed-when-they-reach-the-end-of-the-ramp-use-the-principle-of-conservation-of-mechanical-energy-0acf36cf</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-main-optical-instruments-are-calculate-the-distances-and-focal-lengths-of-the-main-optical-instruments/in-a-physics-lab-a-teacher-uses-a-converging-lens-with-a-focal-length-of-20-cm-to-create-an-enlarged-image-of-an-object-thats-placed-15-cm-from-the-lens-what-is-the-distance-of-the-image-from-the-lens-4fd2a56d</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-critical-angle-of-incidence-that-a-light-beam-can-have-when-passing-from-a-medium-with-a-higher-index-to-one-with-a-lower-index-solve-critical-angle-problems-such-as-calculating-the-critical-angle-of-a-beam-exiting-water/while-putting-together-a-modern-aquarium-the-architects-are-keen-to-ensure-that-the-natural-light-bouncing-from-the-water-to-the-air-at-the-aquariums-surface-is-fully-reflected-inside-this-will-help-avoid-too-much-glare-and-enhance-the-internal-lighting-given-that-the-refractive-index-of-water-is-133-and-that-of-air-is-100-whats-the-minimum-angle-of-incidence-required-for-total-internal-reflection-to-take-place-when-the-light-exits-the-water-b3c7dd45</loc>
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  <url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/relate-kinetic-energy-to-the-work-done-by-a-force-solve-problems-using-work-and-kinetic-energy-to-calculate-forces-displacements-or-velocities/a-sportsman-pushes-a-block-weighing-50-kg-along-a-flat-surface-where-the-coefficient-of-kinetic-friction-is-02-and-manages-to-get-it-to-a-speed-of-10-ms-after-travelling-25-metres-using-the-relation-between-work-and-kinetic-energy-what-is-the-force-exerted-by-the-sportsman-151f22b6</loc>
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  </url>
  <url>
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  <url>
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  </url>
  <url>
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  <url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-a-constant-force-remembering-that-work-is-calculated-by-the-product-of-the-distance-traveled-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/as-a-box-is-pulled-up-a-ramp-with-a-steady-force-of-100-n-at-an-angle-of-60-to-the-horizontal-and-it-moves-a-distance-of-5-metres-along-that-ramp-how-much-work-is-done-by-the-applied-force-bf2cd328</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-uniformly-varied-circular-motion-is-calculate-angular-acceleration-angular-velocities-period-and-angular-displacements/a-car-is-taking-a-turn-on-a-roundabout-with-a-steady-radius-and-is-gradually-increasing-its-angular-speed-after-4-seconds-if-the-angular-velocity-of-the-car-reaches-16-rads-what-is-the-angular-acceleration-of-the-vehicle-during-this-time-6b2ca042</loc>
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  </url>
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  <url>
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  <url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/verify-that-when-looking-at-an-object-in-water-or-another-medium-its-position-to-us-is-not-its-real-position-calculate-its-real-or-apparent-position-based-on-the-medium-and-the-real-or-apparent-position/a-diver-places-a-sphere-at-a-depth-of-400-metres-in-a-tank-filled-with-water-an-observer-at-the-surface-sees-the-sphere-at-an-apparent-position-due-to-the-bending-of-light-at-the-air-water-boundary-given-that-the-refractive-index-of-water-is-133-what-appears-to-be-the-position-of-the-sphere-to-the-observer-c72a6b70</loc>
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  <url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-gravitational-acceleration-of-planets-using-the-universal-law-of-gravitation-such-as-finding-gravity-on-earth-at-a-distance-that-is-twice-the-radius-of-the-earth/a-satellite-company-is-looking-to-launch-a-new-satellite-into-orbit-around-the-earth-positioned-at-a-distance-that-is-twice-the-earths-radius-to-figure-out-the-gravitational-force-acting-on-the-satellite-in-this-orbit-the-engineers-need-to-establish-the-gravitational-acceleration-at-that-point-according-to-the-law-of-universal-gravitation-what-will-the-gravitational-acceleration-be-at-this-distance-b4b19745</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-fields-generated-by-solenoids-solve-problems-that-require-the-calculation-of-magnetic-fields-generated-by-solenoids/in-a-physics-lab-a-solenoid-with-750-turns-has-been-evenly-distributed-over-a-length-of-05-meters-for-experiments-needing-a-specific-magnetic-field-the-solenoid-is-powered-by-a-current-of-36-amperes-the-engineers-want-to-boost-the-intensity-of-the-magnetic-field-by-50percent-without-altering-the-solenoids-length-what-should-be-the-new-electric-current-applied-to-the-solenoid-to-achieve-the-desired-magnetic-field-c18d151f</loc>
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  </url>
  <url>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-pressure-is-the-normal-force-applied-on-a-surface-divided-by-the-area-and-calculate-the-pressure-of-a-gas-in-a-container/in-an-industrial-safety-analysis-a-technician-is-tasked-with-figuring-out-the-pressure-exerted-by-a-gas-stored-in-a-metal-cylinder-the-cylinder-has-two-circular-bases-each-with-a-diameter-of-030-m-and-it-supports-a-total-load-of-1500-n-evenly-spread-over-one-of-the-bases-due-to-the-weight-of-the-cylinder-and-the-gas-given-that-the-area-of-the-base-remains-constant-and-the-force-is-evenly-distributed-what-is-the-pressure-exerted-by-the-gas-on-the-inner-walls-of-the-cylinder-use-the-formula-p-fa-and-provide-the-answer-rounded-to-two-decimal-places-8537c56e</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-force-acting-on-wires-carrying-electric-current-solve-problems-involving-the-calculation-of-magnetic-forces-in-current-carrying-wires/imagine-a-circular-loop-with-an-area-of-1-cm-carrying-a-current-of-10-a-its-positioned-in-a-magnetic-field-of-01-t-that-hits-the-loop-straight-on-the-torque-experienced-by-the-loop-due-to-this-magnetic-field-is-d8f50027</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-flat-mirror-is-verify-that-the-distance-from-the-flat-mirror-to-the-image-is-equal-to-the-distance-from-the-mirror-to-the-object-solve-problems-involving-flat-mirrors/maria-is-getting-ready-in-front-of-a-flat-mirror-fixed-on-the-wall-of-her-room-she-stands-15-metres-away-from-the-mirror-considering-the-properties-of-flat-mirrors-what-will-be-the-distance-between-maria-and-her-reflection-in-the-mirror-989f02d8</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-flux-that-passes-through-an-area-verify-if-this-flux-is-constant-or-varied/the-magnetic-flux-is-the-measure-to-represent-the-amount-of-magnetic-field-being-calculated-through--70ecb</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-thermal-power-of-an-engine-or-the-thermal-power-generated-by-a-certain-heat-source-such-as-the-power-generated-by-an-engine/in-a-factory-an-electric-motor-is-used-to-drive-a-machine-that-continuously-performs-work-amounting-to-240-kj-over-a-period-of-4-minutes-given-that-the-efficiency-of-this-motor-is-75percent-the-leftover-energy-is-released-as-heat-into-the-surrounding-environment-with-this-information-in-mind-what-is-the-thermal-power-produced-by-the-motor-while-it-is-running-e9db1870</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/perform-calculations-regarding-the-movements-of-objects-on-earth-in-the-solar-system-and-in-the-universe-based-on-the-analysis-of-gravitational-interactions/a-scientist-is-gearing-up-to-send-a-space-probe-into-a-circular-orbit-around-the-earth-sitting-400-km-above-the-surface-given-that-the-earths-mass-is-598-10-kg-and-its-average-radius-is-637-10-m-what-speed-does-the-probe-need-to-maintain-this-stable-path-326a7697</loc>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-kinetic-energy-of-a-body-by-the-product-of-the-mass-times-the-square-of-the-bodys-velocity-divided-by-2-relating-its-variation-to-the-work-done/in-a-cycling-event-an-athlete-weighing-70-kg-speeds-up-their-bicycle-from-500-ms-to-1500-ms-on-a-level-stretch-of-the-course-assuming-there-are-no-energy-losses-from-friction-or-air-resistance-what-is-the-work-done-by-the-cyclist-during-this-acceleration-419ad1de</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/based-on-the-wave-assumption-calculate-the-troughs-crests-or-the-resulting-amplitude-of-a-wave-superposition/in-a-lab-setting-two-sinusoidal-wave-generators-are-set-up-to-emit-waves-through-an-elastic-medium-the-first-wave-has-an-amplitude-of-a1-and-is-in-sync-with-the-second-wave-which-has-an-amplitude-of-a2-and-a-phase-difference-f-relative-to-the-first-one-using-the-principle-of-superposition-what-will-the-maximum-amplitude-of-the-resulting-wave-be-at-the-point-where-the-waves-intersect-4d1dfe4c</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-it-is-and-calculate-the-electric-potential-as-the-division-of-work-done-by-the-charge-relate-the-electric-potential-to-other-magnitudes-such-as-work-and-the-electric-field/in-this-physics-experiment-we-have-two-point-charges-q-8-mc-and-q-5-mc-which-are-fixed-06-meters-apart-we-need-to-calculate-the-electric-potential-at-point-m-which-is-located-03-meters-from-q-and-04-meters-from-q-remember-to-consider-the-superposition-of-the-electric-potentials-created-by-both-charges-28159240</loc>
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  </url>
  <url>
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  </url>
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  </url>
  <url>
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  </url>
  <url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-a-resultant-force-acting-on-a-given-object-and-calculate-its-work-by-the-product-of-the-distance-traveled-by-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/an-object-is-being-pulled-by-two-forces-at-the-same-time-the-first-force-f-of-50-n-acts-at-an-angle-of-45-relative-to-the-direction-of-motion-while-the-second-force-f-of-30-n-is-applied-directly-in-that-same-direction-if-the-object-travels-a-distance-of-10-meters-what-is-the-work-done-by-the-combined-force-a5f600d2</loc>
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    <changefreq>monthly</changefreq>
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  </url>
  <url>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/verify-when-a-body-can-have-its-momentum-conserved-and-use-momentum-to-solve-problems-such-as-velocities-after-a-collision/two-ice-skaters-skater-a-and-skater-b-are-initially-at-rest-on-a-smooth-surface-without-any-friction-skater-a-weighing-50-kg-gives-skater-b-who-weighs-70-kg-a-push-for-3-seconds-after-the-push-skater-a-moves-in-the-opposite-direction-of-skater-b-at-a-speed-of-2-ms-what-will-skater-bs-speed-be-right-after-they-interact-9404944f</loc>
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  </url>
  <url>
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  </url>
  <url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-the-heisenberg-uncertainty-principle-which-states-that-it-can-be-mathematically-described-as-dx-dp-2-to-calculate-position-errors-and-momentum-amounts/a-researcher-is-using-an-electron-microscope-to-figure-out-where-an-electron-is-located-to-get-an-accurate-measurement-he-finds-the-position-of-the-electron-with-an-uncertainty-of-dx-15-10-meters-according-to-the-heisenberg-uncertainty-principle-what-is-the-minimum-uncertainty-in-the-momentum-dp-of-the-electron-f0ca6897</loc>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-and-calculate-the-magnetic-force-applied-to-moving-electric-charges-verify-that-the-magnetic-force-is-perpendicular-to-both-the-velocity-and-the-magnetic-field/in-an-electric-motor-electric-charges-move-through-magnetic-fields-which-create-forces-that-drive-rotational-motion-when-considering-an-electric-charge-that-moves-at-velocity-v-perpendicular-to-a-magnetic-field-strength-b-what-is-the-right-way-to-calculate-the-size-of-the-magnetic-force-f-acting-on-this-charge-5eb4d2de</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-trajectory-of-an-object-is-find-the-trajectory-of-some-bodies-as-well-as-describe-that-trajectory-such-as-a-car-traveling-on-a-road-at-constant-speed/when-planning-a-launch-for-an-experimental-rocket-engineers-need-to-work-out-the-trajectory-that-the-useful-payload-module-will-follow-after-the-initial-thrust-the-module-takes-off-with-a-starting-speed-of-40-ms-at-an-angle-of-35-to-the-horizontal-using-an-acceleration-due-to-gravity-of-981-ms-while-ignoring-air-resistance-which-equation-that-relates-the-vertical-position-y-to-the-horizontal-position-x-most-accurately-represents-the-trajectory-of-the-useful-payload-module-6c2331f4</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-trajectory-of-an-object-is-find-the-trajectory-of-some-bodies-as-well-as-describe-that-trajectory-such-as-a-car-traveling-on-a-road-at-constant-speed/when-planning-a-launch-for-an-experimental-rocket-engineers-need-to-work-out-the-trajectory-that-the-useful-payload-module-will-follow-after-the-initial-thrust-the-module-takes-off-with-a-starting-speed-of-40-ms-at-an-angle-of-35-to-the-horizontal-using-an-acceleration-due-to-gravity-of-981-ms-while-ignoring-air-resistance-which-equation-that-relates-the-vertical-position-y-to-the-horizontal-position-x-most-accurately-represents-the-trajectory-of-the-useful-payload-module-6c2331f4" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-calculation-of-capacitance-of-capacitors-that-are-in-parallel-using-the-fact-that-when-capacitors-are-in-series-we-must-add-the-capacitances/in-an-electronics-lab-a-student-connects-three-capacitors-of-250-mf-300-mf-and-450-mf-in-parallel-to-create-an-energy-storage-circuit-given-this-setup-what-is-the-total-capacitance-of-the-arrangement-2de1e76e</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-internal-energy-of-a-gas-is-and-how-to-calculate-it/in-a-lab-a-student-is-running-an-experiment-with-an-ideal-gas-inside-a-cylinder-featuring-a-movable-piston-the-gas-gets-heated-up-raising-its-temperature-from-250-k-to-400-k-while-the-volume-stays-the-same-since-the-internal-energy-of-an-ideal-gas-is-only-influenced-by-its-temperature-whats-the-change-in-the-internal-energy-of-the-gas-7118a113</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-expansion-of-bodies-specifically-the-linear-expansion-of-an-object-such-as-the-expansion-of-an-iron-bar/a-metal-bridge-stretching-1200-meters-spans-a-valley-where-temperatures-fluctuate-considerably-throughout-the-year-during-the-build-engineers-took-into-account-the-linear-expansion-of-materials-to-set-up-expansion-compensation-systems-considering-an-average-linear-expansion-coefficient-of-15-10-c-for-the-materials-used-and-a-temperature-range-between-10c-and-40c-what-would-be-the-best-approach-to-deal-with-thermal-expansion-and-maintain-the-structural-integrity-of-the-bridge-812b2aea</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-speed-of-a-wave-as-a-function-of-the-material-of-the-string-in-which-it-propagates/an-engineer-is-designing-cables-for-the-construction-of-a-suspension-bridge-he-has-two-ropes-made-from-different-materials-but-both-are-under-the-same-tension-since-the-speed-at-which-waves-travel-in-a-rope-depends-on-the-material-properties-which-of-the-ropes-will-facilitate-a-faster-wave-propagation-6c40c0b3</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-sensible-heat-solve-problems-involving-heat-exchanges-and-temperature-changes-such-as-when-mixing-two-masses-of-water-at-different-temperatures/in-a-calorimetry-experiment-400-g-of-water-at-60c-is-combined-with-200-g-of-water-at-20c-inside-a-thermally-insulated-container-what-will-the-final-temperature-of-the-mixture-be-eeee6cdf</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-relationship-of-work-by-forces-such-as-elastic-and-weight-with-their-respective-potential-energies/a-rope-is-used-to-lift-a-box-that-is-completely-submerged-in-a-water-reservoir-to-the-surface-the-mass-of-the-box-is-40-kg-and-it-displaces-a-volume-of-005-m-considering-the-acceleration-due-to-gravity-as-981-ms-and-waters-density-as-1000-kgm-what-is-the-work-done-to-raise-the-box-to-the-surface-of-the-reservoir-028a5fb7</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/identify-the-main-forces-acting-on-a-body-such-as-weight-normal-elastic-force-tension-and-friction-indicating-their-directions-and-senses/a-freight-train-with-a-total-mass-of-80000-kg-is-being-pulled-by-a-locomotive-that-exerts-a-traction-force-of-400000-n-horizontally-considering-that-air-resistance-and-friction-between-the-tracks-and-the-train-sum-up-to-a-force-of-100000-n-acting-against-the-movement-and-that-the-train-is-moving-in-a-straight-line-at-a-constant-speed-which-of-the-following-statements-about-the-forces-acting-on-the-train-are-true-45bfbccb</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/identify-the-main-forces-acting-on-a-body-such-as-weight-normal-elastic-force-tension-and-friction-indicating-their-directions-and-senses/a-freight-train-with-a-total-mass-of-80000-kg-is-being-pulled-by-a-locomotive-that-exerts-a-traction-force-of-400000-n-horizontally-considering-that-air-resistance-and-friction-between-the-tracks-and-the-train-sum-up-to-a-force-of-100000-n-acting-against-the-movement-and-that-the-train-is-moving-in-a-straight-line-at-a-constant-speed-which-of-the-following-statements-about-the-forces-acting-on-the-train-are-true-45bfbccb" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-average-speed-of-a-gas-is-and-how-to-calculate-it/a-researcher-is-looking-into-how-the-average-speed-of-gas-molecules-changes-with-temperature-variations-he-notices-that-when-the-temperature-of-gas-in-a-sealed-container-goes-up-the-average-speed-of-the-molecules-increases-too-what-does-thermodynamic-theory-say-about-the-link-between-the-average-speed-of-gas-molecules-and-their-temperature-29b3a558</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-fields-generated-by-a-current-carrying-wire-solve-problems-requiring-the-calculation-of-magnetic-fields-generated-by-wires-traversed-by-currents/when-setting-up-an-electrical-power-system-two-long-parallel-wires-are-positioned-015-meters-apart-each-running-an-electric-current-of-4-a-in-the-same-direction-if-we-look-at-the-point-thats-exactly-in-the-middle-between-the-two-wires-what-is-the-strength-of-the-magnetic-field-at-that-point-5d7e39c8</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-fields-generated-by-a-current-carrying-wire-solve-problems-requiring-the-calculation-of-magnetic-fields-generated-by-wires-traversed-by-currents/when-setting-up-an-electrical-power-system-two-long-parallel-wires-are-positioned-015-meters-apart-each-running-an-electric-current-of-4-a-in-the-same-direction-if-we-look-at-the-point-thats-exactly-in-the-middle-between-the-two-wires-what-is-the-strength-of-the-magnetic-field-at-that-point-5d7e39c8" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-resistance-and-resistivity-of-materials-are-differentiating-between-them-calculate-the-electrical-resistance-through-resistivity-length-and-cross-sectional-area-of-the-conductor/an-engineer-is-in-the-process-of-designing-a-power-transmission-system-and-needs-to-choose-the-right-cables-for-various-parts-of-the-network-he-has-two-different-materials-a-and-b-each-with-known-resistivities-both-types-of-cables-will-be-100-metres-long-but-the-cables-made-from-material-a-have-a-larger-cross-sectional-area-compared-to-those-made-from-material-b-taking-into-account-ohms-second-law-and-the-resistivity-of-the-materials-which-of-the-following-factors-explains-why-the-cable-made-from-material-a-will-have-a-lower-electrical-resistance-than-the-cable-made-from-material-b-e5d5fb5d</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-resistance-and-resistivity-of-materials-are-differentiating-between-them-calculate-the-electrical-resistance-through-resistivity-length-and-cross-sectional-area-of-the-conductor/an-engineer-is-in-the-process-of-designing-a-power-transmission-system-and-needs-to-choose-the-right-cables-for-various-parts-of-the-network-he-has-two-different-materials-a-and-b-each-with-known-resistivities-both-types-of-cables-will-be-100-metres-long-but-the-cables-made-from-material-a-have-a-larger-cross-sectional-area-compared-to-those-made-from-material-b-taking-into-account-ohms-second-law-and-the-resistivity-of-the-materials-which-of-the-following-factors-explains-why-the-cable-made-from-material-a-will-have-a-lower-electrical-resistance-than-the-cable-made-from-material-b-e5d5fb5d" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-resultant-force-acting-on-a-body-calculate-the-acceleration-generated-by-these-forces-on-any-body/a-block-weighing-8-kg-is-being-pulled-by-two-forces-at-the-same-time-the-first-force-is-25-n-and-acts-horizontally-to-the-right-the-second-force-is-15-n-and-acts-at-a-45-angle-above-the-horizontal-assuming-theres-no-friction-what-is-the-resultant-acceleration-of-the-block-f36b70d8</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-and-calculate-the-magnetic-force-applied-to-moving-electric-charges-verify-that-the-magnetic-force-is-perpendicular-to-both-the-velocity-and-the-magnetic-field/a-scientist-is-running-an-experiment-where-an-electric-charge-of-200-x-10-6-c-is-moving-at-a-speed-of-150-ms-in-a-steady-magnetic-field-of-050-t-at-an-angle-of-30-to-the-field-direction-what-is-the-size-of-the-magnetic-force-acting-on-the-charge-d0a631ab</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-electrical-circuit-problems-calculating-potential-differences-currents-resistances/in-a-home-an-electrician-is-setting-up-an-electrical-circuit-to-power-three-appliances-a-lamp-a-fridge-and-a-fan-the-lamp-has-an-electrical-resistance-of-15-w-the-fridge-45-w-and-the-fan-30-w-all-appliances-are-connected-in-parallel-to-a-220-v-power-point-based-on-this-setup-what-is-the-total-current-flowing-through-the-circuit-when-all-devices-are-in-use-ae9fb09e</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/mark-the-main-forces-acting-on-a-body-place-the-weight-force-knowing-its-direction-and-sense-place-the-contact-forces-with-their-directions-and-senses-appropriately-remembering-that-where-there-is-contact-there-is-force/a-block-is-resting-on-a-flat-table-considering-the-interactions-between-the-block-and-the-table-what-are-the-main-forces-acting-on-the-block-2ec74c36</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-simple-harmonic-motion-is-a-movement-in-which-the-acceleration-of-an-object-is-directly-proportional-yet-opposite-in-direction-to-the-objects-displacement-verify-whether-a-body-is-in-shm-or-not/a-simple-pendulum-with-a-length-of-15-metres-is-set-in-motion-from-an-angle-of-10-degrees-relative-to-the-vertical-taking-into-account-that-the-only-forces-acting-on-the-pendulum-are-gravity-and-the-restoring-force-from-the-string-which-of-the-following-statements-best-describes-the-motion-of-the-pendulum-30b0fff6</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-simple-harmonic-motion-is-a-movement-in-which-the-acceleration-of-an-object-is-directly-proportional-yet-opposite-in-direction-to-the-objects-displacement-verify-whether-a-body-is-in-shm-or-not/a-simple-pendulum-with-a-length-of-15-metres-is-set-in-motion-from-an-angle-of-10-degrees-relative-to-the-vertical-taking-into-account-that-the-only-forces-acting-on-the-pendulum-are-gravity-and-the-restoring-force-from-the-string-which-of-the-following-statements-best-describes-the-motion-of-the-pendulum-30b0fff6" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-and-recognize-the-main-prefixes-of-the-international-system-milli-kilo-etc-perform-conversions-between-multiples-and-submultiples-of-the-main-units-of-measurement-of-the-international-system/while-building-a-bridge-engineers-must-calculate-the-tension-in-the-main-cables-that-hold-up-the-structure-one-of-the-cables-has-a-diameter-of-25-millimetres-and-is-expected-to-support-a-load-of-12-10-newtons-to-ensure-accuracy-in-their-calculations-they-decide-to-convert-all-measurements-to-the-standard-units-of-the-international-system-what-is-the-tension-in-the-cable-expressed-in-pascals-after-converting-the-prefixes-736a10ae</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/equation-a-hydrogen-like-atom-based-on-the-concepts-of-modern-physics-calculating-for-example-the-radius-of-the-atom-in-the-nth-orbit/in-examining-the-emission-spectra-of-hydrogen-like-atoms-scientists-apply-the-bohr-model-to-uncover-the-features-of-electronic-orbits-if-we-consider-that-an-electron-is-at-the-n-th-orbit-of-this-atom-what-is-the-formula-that-illustrates-the-radius-of-that-orbit-according-to-the-bohr-model-f8a7f376</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-apparent-frequency-perceived-by-an-observer-who-may-be-moving-or-stationary-from-a-sound-source-that-may-be-moving-or-stationary-it-is-important-that-at-least-one-of-the-two-is-moving/a-train-is-pulling-into-a-station-making-a-sound-with-a-frequency-of-500-hz-an-observer-is-standing-on-the-platform-as-the-train-approaches-at-a-speed-of-30-ms-given-that-the-speed-of-sound-in-the-air-is-340-ms-lets-find-out-the-apparent-frequency-that-the-observer-hears-which-of-the-following-options-best-represents-this-frequency-d1dbf631</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-apparent-frequency-perceived-by-an-observer-who-may-be-moving-or-stationary-from-a-sound-source-that-may-be-moving-or-stationary-it-is-important-that-at-least-one-of-the-two-is-moving/a-train-is-pulling-into-a-station-making-a-sound-with-a-frequency-of-500-hz-an-observer-is-standing-on-the-platform-as-the-train-approaches-at-a-speed-of-30-ms-given-that-the-speed-of-sound-in-the-air-is-340-ms-lets-find-out-the-apparent-frequency-that-the-observer-hears-which-of-the-following-options-best-represents-this-frequency-d1dbf631" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-for-a-rigid-body-to-be-stationary-it-needs-to-have-the-sum-of-its-forces-and-the-sum-of-its-moments-equal-to-zero-solve-statics-problems-and-find-the-forces-acting-on-the-main-components/a-horizontal-beam-measuring-6-metres-is-supported-at-both-ends-a-weight-of-150-n-is-suspended-2-metres-from-one-of-the-supports-which-of-the-following-statements-confirms-that-the-beam-is-in-static-equilibrium-743e00bb</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-for-a-rigid-body-to-be-stationary-it-needs-to-have-the-sum-of-its-forces-and-the-sum-of-its-moments-equal-to-zero-solve-statics-problems-and-find-the-forces-acting-on-the-main-components/a-horizontal-beam-measuring-6-metres-is-supported-at-both-ends-a-weight-of-150-n-is-suspended-2-metres-from-one-of-the-supports-which-of-the-following-statements-confirms-that-the-beam-is-in-static-equilibrium-743e00bb" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-fields-generated-by-solenoids-solve-problems-that-require-the-calculation-of-magnetic-fields-generated-by-solenoids/in-a-physics-lab-the-learners-are-setting-up-an-experiment-using-a-solenoid-to-create-a-uniform-magnetic-field-the-solenoid-has-500-turns-evenly-spaced-along-a-length-of-04-metres-and-is-powered-by-an-electric-current-of-2-a-given-this-information-which-of-the-following-expressions-correctly-represents-the-magnetic-field-inside-the-solenoid-15edaf72</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-fields-generated-by-solenoids-solve-problems-that-require-the-calculation-of-magnetic-fields-generated-by-solenoids/in-a-physics-lab-the-learners-are-setting-up-an-experiment-using-a-solenoid-to-create-a-uniform-magnetic-field-the-solenoid-has-500-turns-evenly-spaced-along-a-length-of-04-metres-and-is-powered-by-an-electric-current-of-2-a-given-this-information-which-of-the-following-expressions-correctly-represents-the-magnetic-field-inside-the-solenoid-15edaf72" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-flat-mirror-is-verify-that-the-distance-from-the-flat-mirror-to-the-image-is-equal-to-the-distance-from-the-mirror-to-the-object-solve-problems-involving-flat-mirrors/joana-is-getting-ready-for-a-presentation-and-is-standing-12-metres-away-from-a-flat-mirror-in-her-study-considering-how-flat-mirrors-work-what-is-the-distance-between-joana-and-her-reflected-image-in-the-mirror-96359bc0</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-average-vector-acceleration-and-average-scalar-acceleration-calculate-the-average-vector-acceleration-such-as-when-completing-a-full-lap-on-a-circular-track-the-vector-acceleration-is-zero/a-cyclist-completes-a-lap-on-a-circular-track-that-is-400-meters-long-in-80-seconds-during-the-ride-they-pick-up-speed-on-the-straight-sections-and-slow-down-on-the-bends-returning-to-their-starting-speed-by-the-end-of-the-lap-given-the-entire-distance-covered-what-is-the-average-vector-acceleration-of-the-cyclist-once-the-lap-is-completed-ac280230</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-fields-generated-by-coils-solve-problems-that-require-the-calculation-of-magnetic-fields-generated-by-coils/an-engineer-is-designing-a-circular-coil-with-200-turns-each-having-a-radius-of-5-cm-when-he-applies-an-electric-current-of-3-a-to-the-coil-he-needs-to-determine-the-strength-of-the-magnetic-field-at-the-centre-of-the-coil-using-the-formula-for-the-magnetic-field-of-a-coil-what-is-the-resultant-value-of-the-magnetic-field-generated-at-the-coils-centre-465a0f7c</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-main-graphs-of-uniformly-accelerated-motion-such-as-the-graph-between-velocity-and-position-is-a-line-use-and-solve-problems-involving-graphs-of-uniformly-accelerated-motion/a-car-speeds-up-steadily-along-a-straight-road-when-studying-this-cars-motion-what-is-the-key-feature-of-the-graph-that-links-velocity-to-the-distance-travelled-during-this-steady-acceleration-74023f44</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-the-gaussian-equation-to-calculate-the-distance-between-images-and-lenses-as-well-as-their-sizes/a-learner-is-using-a-converging-lens-with-a-focal-length-of-8-cm-to-create-an-image-of-an-object-that-is-positioned-24-cm-from-the-lens-use-the-gaussian-lens-equation-to-calculate-the-distance-of-the-formed-image-and-how-its-size-compares-to-the-object-fd1c8c36</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-the-reactions-of-the-main-forces-such-as-the-reaction-to-the-weight-force-and-the-normal-force-understand-that-every-force-will-have-a-reaction-of-the-same-magnitude-and-direction-but-opposite-senses/a-book-with-mass-m-is-resting-on-a-horizontal-table-the-forces-acting-on-the-book-include-its-weight-gravitational-force-and-the-upward-normal-force-from-the-table-according-to-newtons-3rd-law-of-motion-which-of-the-following-statements-accurately-describes-the-reaction-forces-involved-in-these-interactions-6d7f06bf</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/find-the-reactions-of-the-main-forces-such-as-the-reaction-to-the-weight-force-and-the-normal-force-understand-that-every-force-will-have-a-reaction-of-the-same-magnitude-and-direction-but-opposite-senses/a-book-with-mass-m-is-resting-on-a-horizontal-table-the-forces-acting-on-the-book-include-its-weight-gravitational-force-and-the-upward-normal-force-from-the-table-according-to-newtons-3rd-law-of-motion-which-of-the-following-statements-accurately-describes-the-reaction-forces-involved-in-these-interactions-6d7f06bf" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-concave-and-convex-mirrors-are-discover-what-type-of-image-is-formed-and-its-characteristics/in-an-optics-workshop-ana-uses-a-concave-mirror-to-project-the-images-of-various-objects-she-places-an-object-at-a-distance-that-is-greater-than-the-focal-length-of-the-mirror-and-takes-note-of-the-characteristics-of-the-image-that-is-produced-considering-this-scenario-what-is-the-main-characteristic-of-the-image-formed-by-a-concave-mirror-when-the-object-is-placed-beyond-the-focal-distance-1390f35d</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-main-graphs-of-uniformly-accelerated-motion-such-as-the-graph-between-velocity-and-position-is-a-line-use-and-solve-problems-involving-graphs-of-uniformly-accelerated-motion/a-car-is-driving-down-a-straight-road-with-constant-acceleration-during-one-of-its-trips-the-cars-position-and-speed-were-noted-at-various-intervals-when-considering-uniformly-varied-motion-which-characteristic-best-describes-the-relationship-between-the-speed-graph-as-a-function-of-position-879ced45</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-the-main-graphs-of-uniformly-accelerated-motion-such-as-the-graph-between-velocity-and-position-is-a-line-use-and-solve-problems-involving-graphs-of-uniformly-accelerated-motion/a-car-is-driving-down-a-straight-road-with-constant-acceleration-during-one-of-its-trips-the-cars-position-and-speed-were-noted-at-various-intervals-when-considering-uniformly-varied-motion-which-characteristic-best-describes-the-relationship-between-the-speed-graph-as-a-function-of-position-879ced45" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/relate-the-power-of-a-body-with-its-speed-generated-at-that-moment-using-the-formula-pf-v-where-the-power-is-given-by-the-product-of-the-applied-force-by-the-speed-of-the-body/a-driver-pushes-a-shopping-trolley-in-a-supermarket-the-force-applied-by-the-driver-forms-an-angle-of-30-with-the-direction-of-the-trolleys-movement-if-the-applied-force-is-200-n-and-the-trolley-moves-at-a-steady-speed-of-3-ms-what-is-the-power-generated-by-the-driver-at-this-moment-bf007437</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/relate-the-power-of-a-body-with-its-speed-generated-at-that-moment-using-the-formula-pf-v-where-the-power-is-given-by-the-product-of-the-applied-force-by-the-speed-of-the-body/a-driver-pushes-a-shopping-trolley-in-a-supermarket-the-force-applied-by-the-driver-forms-an-angle-of-30-with-the-direction-of-the-trolleys-movement-if-the-applied-force-is-200-n-and-the-trolley-moves-at-a-steady-speed-of-3-ms-what-is-the-power-generated-by-the-driver-at-this-moment-bf007437" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-centripetal-acceleration-acting-on-a-specific-body-knowing-that-the-centripetal-acceleration-is-equal-to-the-square-of-the-speed-divided-by-the-radius-of-the-path/in-a-karting-competition-on-a-circular-track-with-a-radius-of-120-metres-the-kart-manages-to-complete-a-full-lap-in-45-seconds-at-a-steady-speed-given-that-the-only-force-keeping-the-kart-on-the-circular-path-is-friction-what-is-the-centripetal-acceleration-acting-on-the-kart-as-it-goes-around-the-turn-befec3e9</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-centripetal-acceleration-acting-on-a-specific-body-knowing-that-the-centripetal-acceleration-is-equal-to-the-square-of-the-speed-divided-by-the-radius-of-the-path/in-a-karting-competition-on-a-circular-track-with-a-radius-of-120-metres-the-kart-manages-to-complete-a-full-lap-in-45-seconds-at-a-steady-speed-given-that-the-only-force-keeping-the-kart-on-the-circular-path-is-friction-what-is-the-centripetal-acceleration-acting-on-the-kart-as-it-goes-around-the-turn-befec3e9" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-propagation-speed-of-a-wave-using-the-formula-v-lf-also-calculating-the-wavelength-or-frequency/a-marine-engineer-is-studying-the-waves-created-by-a-ship-out-at-sea-they-notice-that-the-frequency-of-the-waves-is-25-hz-and-the-wavelength-of-each-wave-is-38-metres-based-on-this-information-what-is-the-speed-at-which-the-waves-are-travelling-ae64c822</loc>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-snells-law-to-calculate-deviations-of-rays-passing-from-one-medium-to-another-and-the-speed-of-light-propagation-in-various-media/a-beam-of-light-hits-the-boundary-where-air-refractive-index-n-100-meets-water-refractive-index-n-133-coming-in-at-an-angle-of-30-to-the-normal-find-out-the-angle-of-refraction-in-the-water-and-the-speed-of-light-in-that-medium-b49517e8</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-vector-is-which-has-magnitude-direction-and-sense-calculate-the-magnitude-of-a-vector-write-a-vector-in-the-cartesian-plane/in-a-rowing-competition-team-a-propels-the-boat-with-a-force-of-300-n-to-the-east-while-team-b-counters-with-a-force-of-200-n-to-the-north-when-considering-these-forces-as-vectors-what-is-the-magnitude-of-the-resultant-force-acting-on-the-boat-9979a4dd</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-of-resistors-arranged-in-series-using-the-fact-that-when-resistors-are-in-series-we-must-add-the-resistances/while-putting-together-an-electrical-circuit-for-a-school-project-maria-connects-three-resistors-in-series-with-resistances-of-250-w-575-w-and-325-w-if-she-uses-a-1200-v-battery-to-power-the-circuit-what-will-the-total-current-be-flowing-through-it-283d1be8</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/formulate-a-simple-harmonic-motion-equation-as-well-as-verify-whether-a-body-is-executing-such-a-motion-or-not/a-mass-spring-system-features-a-mass-of-200-kg-linked-to-a-spring-with-a-spring-constant-of-5000-nm-the-mass-is-moved-010-m-from-its-rest-position-and-released-with-no-initial-velocity-assuming-theres-no-friction-what-is-the-equation-of-simple-harmonic-motion-that-describes-the-position-of-the-mass-over-time-d99796cf</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/formulate-a-simple-harmonic-motion-equation-as-well-as-verify-whether-a-body-is-executing-such-a-motion-or-not/a-mass-spring-system-features-a-mass-of-200-kg-linked-to-a-spring-with-a-spring-constant-of-5000-nm-the-mass-is-moved-010-m-from-its-rest-position-and-released-with-no-initial-velocity-assuming-theres-no-friction-what-is-the-equation-of-simple-harmonic-motion-that-describes-the-position-of-the-mass-over-time-d99796cf" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-period-of-a-movement-is-calculate-the-period-of-a-body-in-circular-motion-as-well-as-its-frequency/a-cyclist-fine-tunes-the-wheel-of-their-bike-to-ensure-it-moves-smoothly-in-a-perfect-circle-during-races-if-the-wheel-measures-07-metres-in-diameter-and-the-cyclist-manages-to-finish-60-laps-in-5-minutes-what-is-the-duration-of-one-rotation-of-the-wheel-and-its-respective-frequency-ed09c51d</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-principles-of-geometric-optics-such-as-straight-line-propagation-reversibility-and-independence-of-light-rays/in-a-physics-lab-a-lecturer-sets-up-two-lamps-next-to-a-flat-mirror-in-a-dimly-lit-room-to-showcase-the-principles-of-geometric-optics-the-lamps-shine-light-rays-in-various-directions-relative-to-the-mirror-taking-into-account-the-principles-of-straight-line-propagation-and-the-independence-of-light-rays-in-geometric-optics-how-will-the-reflected-rays-behave-after-interacting-with-the-mirror-b60fd780</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-and-calculate-the-main-forces-acting-in-curvilinear-motion-understand-centripetal-force-and-solve-problems-involving-the-use-of-these-forces/a-vehicle-weighing-1500-kg-is-navigating-a-turn-with-a-radius-of-80-meters-at-a-speed-of-25-ms-on-a-flat-road-where-the-coefficient-of-static-friction-between-the-tyres-and-the-road-surface-is-085-what-is-the-required-centripetal-force-to-keep-the-vehicle-on-the-curved-pathway-and-is-the-available-friction-force-enough-to-stop-the-vehicle-from-skidding-off-the-turn-bf1b36e7</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-hydrostatic-pressure-which-is-the-pressure-exerted-by-a-fluid-at-rest-due-to-the-force-of-gravity-remembering-that-it-increases-with-the-depth-of-the-fluid/an-engineer-is-designing-a-hydraulic-system-to-balance-the-pressure-in-two-reservoirs-situated-at-different-depths-the-first-reservoir-has-an-area-of-005-m-and-is-positioned-10-meters-below-the-fluid-surface-while-the-second-reservoir-has-an-area-of-015-m-and-is-located-at-a-depth-of-15-meters-given-that-the-fluid-density-is-1200-kgm-and-the-acceleration-due-to-gravity-is-981-ms-in-line-with-pascals-theorem-what-force-needs-to-be-applied-in-the-first-reservoir-for-the-pressure-transmitted-to-match-that-of-the-second-reservoir-11fd12a8</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/perform-calculations-regarding-the-movements-of-objects-on-earth-in-the-solar-system-and-in-the-universe-based-on-the-analysis-of-gravitational-interactions/when-a-rocket-is-launched-engineers-must-work-out-the-gravitational-force-that-the-earth-pulls-on-the-rocket-so-they-can-figure-out-how-much-fuel-will-be-needed-given-that-the-mass-of-the-rocket-is-15000-kg-and-the-acceleration-due-to-gravity-at-the-earths-surface-is-981-ms-whats-the-gravitational-force-acting-on-the-rocket-fdcdd49c</loc>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-temperature-of-two-bodies-can-be-measured-learn-how-to-measure-the-temperature-of-a-body-convert-the-temperature-of-a-body-between-the-main-scales-celsius-kelvin-and-fahrenheit-and-to-other-scales/in-a-practical-science-lesson-the-learners-used-two-different-thermometers-to-determine-the-temperature-of-a-water-solution-one-thermometer-was-marked-in-celsius-while-the-other-was-in-fahrenheit-after-taking-the-readings-they-found-it-to-be-30c-with-this-information-what-would-the-equivalent-temperature-be-in-kelvin-3a3d1816</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-it-is-and-how-to-calculate-the-average-speed-of-a-body-solve-problems-involving-the-calculation-of-average-speed-such-as-the-average-speed-of-a-vehicle-that-traveled-200-km-in-2-h/a-driver-took-a-round-trip-between-two-towns-on-the-way-to-the-destination-he-covered-180-km-in-3-hours-and-on-the-way-back-he-managed-the-same-distance-in-2-hours-and-30-minutes-considering-the-whole-journey-what-was-the-drivers-average-speed-during-the-trip-50636d10</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-gravitational-acceleration-of-planets-using-the-universal-law-of-gravitation-such-as-finding-gravity-on-earth-at-a-distance-that-is-twice-the-radius-of-the-earth/an-astronomer-is-observing-two-planets-in-our-solar-system-the-first-planet-has-twice-the-mass-of-earth-and-its-radius-is-three-times-larger-using-the-universal-law-of-gravitation-what-is-the-gravitational-acceleration-at-the-surface-of-this-planet-44c40f95</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-the-heisenberg-uncertainty-principle-which-states-that-it-can-be-mathematically-described-as-dx-dp-2-to-calculate-position-errors-and-momentum-amounts/a-lab-is-working-on-an-electron-microscope-that-uses-electrons-to-take-a-closer-look-at-structures-on-a-nanometric-scale-during-the-observation-engineers-must-figure-out-how-accurately-they-can-measure-the-position-and-momentum-of-the-electrons-being-used-if-the-uncertainty-in-the-position-of-the-electrons-is-dx-200-10-10-meters-whats-the-minimum-uncertainty-in-the-momentum-of-the-electrons-dp-according-to-the-heisenberg-uncertainty-principle-7394c872</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-capacitance-of-spherical-capacitors-using-the-inner-and-outer-radii-of-the-capacitor-and-the-medium-in-which-the-plate-was/in-a-lab-experiment-a-spherical-capacitor-was-set-up-consisting-of-two-concentric-spheres-the-inner-sphere-has-a-radius-of-500-cm-while-the-outer-sphere-has-a-radius-of-1000-cm-the-space-between-the-spheres-is-filled-with-a-dielectric-material-that-has-a-relative-permittivity-of-400-given-that-the-spheres-are-insulated-and-there-are-no-losses-in-the-system-what-is-the-capacitance-of-this-spherical-capacitor-1e5d2f39</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/equation-the-oblique-motion-verifying-that-it-consists-of-a-uniform-motion-in-one-axis-and-a-uniformly-varied-motion-in-another/a-projectile-is-launched-at-an-angle-from-the-top-of-a-50-meter-building-the-angle-is-40-with-the-horizontal-and-it-has-an-initial-velocity-of-20-ms-assuming-that-gravity-981-ms-is-the-only-force-acting-on-the-projectile-after-it-is-launched-and-ignoring-air-resistance-calculate-the-total-time-the-projectile-will-be-in-the-air-before-it-reaches-the-ground-ce9f89d6</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-calculation-of-capacitance-of-capacitors-that-are-in-parallel-using-the-fact-that-when-capacitors-are-in-series-we-must-add-the-capacitances/in-an-electronic-circuit-two-capacitors-are-connected-in-parallel-to-boost-the-charge-storage-capacity-if-one-capacitor-has-a-capacitance-of-8-mf-and-the-other-has-12-mf-whats-the-combined-capacitance-of-the-set-and-how-much-total-charge-will-it-hold-when-subjected-to-a-voltage-of-24-v-6ad4c0de</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-calculation-of-capacitance-of-capacitors-that-are-in-parallel-using-the-fact-that-when-capacitors-are-in-series-we-must-add-the-capacitances/in-an-electronic-circuit-two-capacitors-are-connected-in-parallel-to-boost-the-charge-storage-capacity-if-one-capacitor-has-a-capacitance-of-8-mf-and-the-other-has-12-mf-whats-the-combined-capacitance-of-the-set-and-how-much-total-charge-will-it-hold-when-subjected-to-a-voltage-of-24-v-6ad4c0de" />
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-concept-of-relative-velocity-calculate-the-relative-velocity-between-two-objects-such-as-the-relative-velocity-of-a-car-moving-at-20-ms-in-relation-to-another-moving-at-4-ms-in-the-same-direction-and-sense-is-16-ms/two-vehicles-are-travelling-on-roads-that-intersect-at-a-right-angle-vehicle-a-is-moving-at-a-steady-speed-of-2000-ms-towards-the-north-while-vehicle-b-is-heading-east-at-1500-ms-given-these-movements-what-is-the-relative-speed-of-vehicle-b-in-relation-to-vehicle-a-b8ab4cac</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-the-concept-of-relative-velocity-calculate-the-relative-velocity-between-two-objects-such-as-the-relative-velocity-of-a-car-moving-at-20-ms-in-relation-to-another-moving-at-4-ms-in-the-same-direction-and-sense-is-16-ms/two-vehicles-are-travelling-on-roads-that-intersect-at-a-right-angle-vehicle-a-is-moving-at-a-steady-speed-of-2000-ms-towards-the-north-while-vehicle-b-is-heading-east-at-1500-ms-given-these-movements-what-is-the-relative-speed-of-vehicle-b-in-relation-to-vehicle-a-b8ab4cac" />
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/recognize-what-the-international-system-is-what-the-main-units-of-measurement-of-the-international-system-are-such-as-second-meter-or-kilogram-and-conversions-to-other-systems/a-group-of-scientists-is-comparing-the-outcomes-of-experiments-carried-out-in-different-parts-of-the-world-where-some-rely-on-the-imperial-system-and-others-use-the-international-system-of-units-si-in-one-of-the-tests-a-distance-of-10-miles-and-a-time-of-2-hours-were-observed-to-determine-the-average-speed-according-to-the-si-its-necessary-to-convert-these-figures-into-meters-and-seconds-what-would-the-average-speed-be-in-meters-per-second-in-line-with-the-international-system-of-units-d7b1b245</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-angular-displacement-from-linear-displacement-calculate-angular-displacements-such-as-the-change-in-position-of-a-clock-hand-or-a-mobile-on-a-circular-track/a-gear-system-consists-of-two-wheels-linked-by-a-chain-wheel-a-has-a-radius-of-040-metres-and-experiences-an-angular-displacement-of-150-radians-wheel-b-which-is-directly-connected-to-wheel-a-has-a-radius-of-060-metres-given-that-the-angular-velocity-remains-constant-and-there-is-no-slipping-between-the-wheels-what-will-be-the-total-angular-displacement-of-wheel-b-during-the-same-duration-92d772da</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-the-main-types-of-lenses-such-as-converging-or-diverging-verifying-their-properties-and-characteristics/pedro-is-setting-up-a-projector-for-his-classroom-and-needs-to-pick-the-right-lens-to-focus-the-image-from-the-lamp-onto-a-big-screen-since-lenses-can-either-converge-or-diverge-which-type-should-pedro-choose-to-get-a-clear-and-enlarged-image-on-the-screen-c234d016</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-main-forms-of-energy-generation-are-human-dependence-on-this-element-and-its-pros-and-cons/with-increasing-concerns-about-the-environment-and-a-pressing-need-to-lessen-our-reliance-on-non-renewable-energy-sources-weve-begun-to-adopt-various-alternatives-for-energy-generation-which-of-the-major-forms-of-energy-generation-is-deemed-renewable-has-a-minimal-environmental-footprint-and-whose-efficiency-is-directly-influenced-by-weather-conditions-69a60314</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-reference-frame-is-a-system-that-can-be-used-to-describe-the-motion-of-a-system-which-can-be-moving-or-at-rest-find-the-position-of-an-object-in-a-given-reference-system/a-train-is-travelling-at-a-constant-speed-of-80-kmh-relative-to-a-ground-reference-point-simultaneously-another-train-sets-off-from-the-same-station-moving-at-a-constant-speed-of-120-kmh-in-the-opposite-direction-a-passenger-on-the-first-train-wants-to-find-out-the-position-of-the-second-train-after-15-hours-from-their-own-point-of-view-considering-the-relative-references-what-will-be-the-position-of-the-second-train-in-relation-to-the-first-after-this-time-27ebded6</loc>
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  <url>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-first-law-of-thermodynamics-states-that-energy-cannot-be-destroyed-or-created-but-only-transformed-calculate-work-internal-energy-and-exchanged-heat-using-the-first-law/a-gas-in-a-piston-is-undergoing-a-thermodynamic-process-where-it-absorbs-400-j-of-heat-from-an-outside-source-and-does-150-j-of-work-on-its-surroundings-according-to-the-1st-law-of-thermodynamics-how-much-has-the-internal-energy-of-the-gas-changed-during-this-process-ed5b5fde</loc>
    <lastmod>2025-03-22</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-expansion-of-bodies-specifically-the-linear-expansion-of-an-object-such-as-the-expansion-of-an-iron-bar/a-200-metre-railway-line-is-built-in-an-area-where-temperatures-can-fluctuate-the-linear-expansion-coefficient-of-the-steel-used-in-the-tracks-is-11710-c-on-a-summer-day-the-ambient-temperature-can-rise-by-25-c-what-should-be-the-gap-between-the-anchor-bolts-of-the-tracks-to-allow-for-thermal-expansion-without-causing-any-deformation-cf211a82</loc>
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  <url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-black-hole-is-how-it-works-what-its-origins-are-understand-where-it-might-be-in-the-universe-and-its-characteristics/an-astronomer-noticed-that-a-star-close-to-what-seems-like-an-empty-spot-in-space-is-following-a-highly-elliptical-orbit-in-light-of-black-hole-theories-what-does-this-observation-suggest-about-the-object-being-orbited-by-the-star-39330973</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
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    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/equation-the-hydrogen-atom-based-on-the-bohr-atom-and-the-concepts-of-modern-physics-the-radius-of-the-n-th-orbit-must-be-calculated/when-developing-a-new-optical-device-engineers-need-to-grasp-the-structure-of-the-hydrogen-atom-to-influence-light-emission-using-the-bohr-model-calculate-the-radius-of-the-electrons-orbit-in-the-n-th-energy-level-as-a-function-of-n-and-the-fundamental-constants-794b275b</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/equation-the-hydrogen-atom-based-on-the-bohr-atom-and-the-concepts-of-modern-physics-the-radius-of-the-n-th-orbit-must-be-calculated/when-developing-a-new-optical-device-engineers-need-to-grasp-the-structure-of-the-hydrogen-atom-to-influence-light-emission-using-the-bohr-model-calculate-the-radius-of-the-electrons-orbit-in-the-n-th-energy-level-as-a-function-of-n-and-the-fundamental-constants-794b275b" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-main-laws-of-kepler-are-solve-problems-involving-the-use-of-keplers-laws-such-as-recognizing-the-orbits-of-planets-calculating-radius-distance-and-oscillation-period/an-astronomer-is-comparing-the-orbits-of-two-planets-around-the-sun-planet-x-is-situated-about-400-astronomical-units-au-away-and-takes-800-earth-years-to-complete-its-orbit-based-on-keplers-laws-what-would-be-the-expected-orbital-period-of-planet-y-which-is-900-au-from-the-sun-364ef48e</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-main-laws-of-kepler-are-solve-problems-involving-the-use-of-keplers-laws-such-as-recognizing-the-orbits-of-planets-calculating-radius-distance-and-oscillation-period/an-astronomer-is-comparing-the-orbits-of-two-planets-around-the-sun-planet-x-is-situated-about-400-astronomical-units-au-away-and-takes-800-earth-years-to-complete-its-orbit-based-on-keplers-laws-what-would-be-the-expected-orbital-period-of-planet-y-which-is-900-au-from-the-sun-364ef48e" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/relate-kinetic-energy-to-the-work-done-by-a-force-solve-problems-using-work-and-kinetic-energy-to-calculate-forces-displacements-or-velocities/maria-pushed-a-15-kg-shopping-trolley-a-distance-of-4-metres-on-a-flat-surface-applying-a-constant-force-throughout-the-journey-given-that-there-is-no-friction-what-was-the-work-done-by-maria-on-the-trolley-9b2042fb</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/relate-kinetic-energy-to-the-work-done-by-a-force-solve-problems-using-work-and-kinetic-energy-to-calculate-forces-displacements-or-velocities/maria-pushed-a-15-kg-shopping-trolley-a-distance-of-4-metres-on-a-flat-surface-applying-a-constant-force-throughout-the-journey-given-that-there-is-no-friction-what-was-the-work-done-by-maria-on-the-trolley-9b2042fb" />
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-hydrostatic-pressure-which-is-the-pressure-exerted-by-a-fluid-at-rest-due-to-the-force-of-gravity-remembering-that-it-increases-with-the-depth-of-the-fluid/a-factory-relies-on-a-hydraulic-system-to-lift-heavy-loads-using-two-pistons-linked-by-an-incompressible-fluid-the-smaller-piston-has-an-area-of-003-m-while-the-larger-piston-has-an-area-of-045-m-if-a-force-of-150-n-is-applied-to-the-smaller-piston-based-on-pascals-theorem-what-force-will-the-larger-piston-exert-to-counterbalance-the-load-987e3aea</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-hydrostatic-pressure-which-is-the-pressure-exerted-by-a-fluid-at-rest-due-to-the-force-of-gravity-remembering-that-it-increases-with-the-depth-of-the-fluid/a-diver-is-heading-down-into-a-lake-to-explore-the-underwater-life-he-wants-to-calculate-the-pressure-that-the-water-exerts-on-his-gear-at-a-depth-of-10-metres-given-that-the-density-of-water-is-1000-kgm-and-the-acceleration-due-to-gravity-is-981-ms-what-is-the-hydrostatic-pressure-acting-on-the-divers-equipment-at-this-depth-6ed49e53</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-reference-frame-is-a-system-that-can-be-used-to-describe-the-motion-of-a-system-which-can-be-moving-or-at-rest-find-the-position-of-an-object-in-a-given-reference-system/an-observer-standing-by-the-roadside-sees-a-truck-cruising-at-a-steady-speed-of-20-ms-heading-north-at-the-same-time-a-driver-is-making-their-way-in-the-same-direction-at-15-ms-relative-to-the-road-from-the-drivers-viewpoint-what-will-be-the-trucks-position-after-10-seconds-7a18c943</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-reference-frame-is-a-system-that-can-be-used-to-describe-the-motion-of-a-system-which-can-be-moving-or-at-rest-find-the-position-of-an-object-in-a-given-reference-system/an-observer-standing-by-the-roadside-sees-a-truck-cruising-at-a-steady-speed-of-20-ms-heading-north-at-the-same-time-a-driver-is-making-their-way-in-the-same-direction-at-15-ms-relative-to-the-road-from-the-drivers-viewpoint-what-will-be-the-trucks-position-after-10-seconds-7a18c943" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/recognize-what-the-international-system-is-what-the-main-units-of-measurement-of-the-international-system-are-such-as-second-meter-or-kilogram-and-conversions-to-other-systems/a-group-of-researchers-is-working-on-a-device-that-measures-the-speed-of-moving-objects-while-testing-they-gathered-data-showing-that-an-object-travels-36-kilometres-in-45-minutes-and-has-a-mass-of-25-tonnes-using-the-international-system-of-units-which-of-the-following-representations-accurately-converts-the-distance-time-and-mass-to-metres-m-seconds-s-and-kilograms-kg-respectively-dbe27520</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-bodies-in-orbits-of-other-planets-such-as-celestial-bodies-orbiting-the-sun-application-of-keplers-laws-or-calculation-of-escape-velocities-from-planets/artificial-satellites-play-a-vital-role-in-communication-monitoring-our-planet-and-advancing-scientific-research-their-ability-to-maintain-a-stable-orbit-is-governed-by-the-principles-of-gravity-and-planetary-motion-according-to-keplers-laws-what-occurs-to-the-orbital-period-of-a-satellite-if-its-average-distance-to-the-earths-centre-is-doubled-7689be78" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/equation-a-hydrogen-like-atom-based-on-the-concepts-of-modern-physics-calculating-for-example-the-radius-of-the-atom-in-the-nth-orbit/a-physics-lab-is-looking-into-the-properties-of-hydrogen-atoms-using-the-bohr-model-to-get-a-clearer-picture-of-the-electronic-structure-researchers-need-to-work-out-the-radius-of-the-orbit-where-the-electron-sits-in-the-fourth-energy-level-based-on-bohrs-principles-for-hydrogen-like-atoms-what-is-the-radius-of-the-orbit-that-corresponds-to-the-fourth-orbit-n4-of-this-atom-ddb90ee9</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-the-maxima-and-minima-of-newtons-rings-or-use-it-to-calculate-wavelengths-or-thicknesses-of-bodies/using-a-flat-surface-and-a-convex-lens-to-generate-newtons-rings-with-light-of-wavelength-550-nm-we-found-that-the-second-concentric-ring-appears-at-a-distance-of-330-mm-from-the-centre-given-that-the-refractive-index-of-air-is-approximately-1-calculate-the-thickness-of-the-air-film-linked-to-this-second-ring-e0fad1b8</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-resultant-force-acting-on-a-body-calculate-the-acceleration-generated-by-these-forces-on-any-body/a-12-kg-object-is-being-pulled-across-a-frictionless-flat-surface-by-two-forces-acting-at-the-same-time-the-first-force-of-45-n-is-applied-at-30-above-the-horizontal-line-towards-the-east-while-the-second-force-of-60-n-is-pushing-horizontally-towards-the-north-using-newtons-second-law-what-is-the-resulting-acceleration-of-the-object-1b30295f</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-resistance-and-resistivity-of-materials-are-differentiating-between-them-calculate-the-electrical-resistance-through-resistivity-length-and-cross-sectional-area-of-the-conductor/an-engineer-is-working-on-an-electrical-circuit-and-needs-to-select-between-two-types-of-materials-for-the-wires-both-materials-are-of-the-same-length-and-cross-sectional-area-but-they-vary-in-resistivity-based-on-ohms-second-law-and-the-resistivity-of-each-which-of-the-two-wires-will-exhibit-greater-electrical-resistance-9729c0d5</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/relate-the-power-of-a-body-with-its-speed-generated-at-that-moment-using-the-formula-pf-v-where-the-power-is-given-by-the-product-of-the-applied-force-by-the-speed-of-the-body/an-athlete-is-pulling-a-sled-across-a-flat-surface-at-a-steady-speed-of-450-ms-he-exerts-an-inclined-force-at-25-degrees-to-the-horizontal-to-keep-it-moving-given-that-the-coefficient-of-friction-between-the-sled-and-the-ground-is-015-what-is-the-power-generated-by-the-athlete-in-this-scenario-54b871b4</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/relate-the-power-of-a-body-with-its-speed-generated-at-that-moment-using-the-formula-pf-v-where-the-power-is-given-by-the-product-of-the-applied-force-by-the-speed-of-the-body/an-athlete-is-pulling-a-sled-across-a-flat-surface-at-a-steady-speed-of-450-ms-he-exerts-an-inclined-force-at-25-degrees-to-the-horizontal-to-keep-it-moving-given-that-the-coefficient-of-friction-between-the-sled-and-the-ground-is-015-what-is-the-power-generated-by-the-athlete-in-this-scenario-54b871b4" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-expansion-of-bodies-specifically-the-linear-expansion-of-an-object-such-as-the-expansion-of-an-iron-bar/a-metal-rail-with-an-initial-length-of-300-metres-is-set-up-in-an-area-where-the-ambient-temperature-fluctuates-between-10c-and-30c-throughout-the-day-taking-into-account-that-the-linear-expansion-coefficient-of-iron-is-12-10-c-what-will-be-the-increase-in-the-length-of-the-rail-due-to-thermal-expansion-e6c2480e</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-expansion-of-bodies-specifically-the-linear-expansion-of-an-object-such-as-the-expansion-of-an-iron-bar/a-metal-rail-with-an-initial-length-of-300-metres-is-set-up-in-an-area-where-the-ambient-temperature-fluctuates-between-10c-and-30c-throughout-the-day-taking-into-account-that-the-linear-expansion-coefficient-of-iron-is-12-10-c-what-will-be-the-increase-in-the-length-of-the-rail-due-to-thermal-expansion-e6c2480e" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-flat-mirror-is-verify-that-the-distance-from-the-flat-mirror-to-the-image-is-equal-to-the-distance-from-the-mirror-to-the-object-solve-problems-involving-flat-mirrors/in-a-shop-display-two-products-are-placed-at-different-distances-from-a-flat-mirror-to-enhance-their-visibility-through-reflections-the-first-product-is-15-metres-away-from-the-mirror-while-the-second-is-positioned-23-metres-from-the-same-mirror-taking-into-account-the-characteristics-of-flat-mirrors-what-is-the-total-distance-between-the-images-of-the-two-products-as-seen-in-the-mirror-efcfb122</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-centripetal-acceleration-acting-on-a-specific-body-knowing-that-the-centripetal-acceleration-is-equal-to-the-square-of-the-speed-divided-by-the-radius-of-the-path/a-motorcyclist-is-negotiating-a-turn-on-a-circular-track-with-a-radius-of-30-metres-while-travelling-at-a-steady-speed-of-72-kmh-given-that-the-centripetal-acceleration-is-calculated-by-squaring-the-speed-and-dividing-it-by-the-radius-of-the-path-what-would-be-the-centripetal-acceleration-acting-on-the-motorcycle-6ebdebb0</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-beating-is-a-phenomenon-that-occurs-when-two-waves-of-slightly-different-frequencies-overlap-resulting-in-a-new-wave-whose-amplitude-varies-over-time-calculate-the-beat-frequency/two-musical-instruments-are-producing-sound-waves-at-slightly-different-frequencies-the-first-instrument-generates-a-wave-at-a-frequency-of-440-hz-while-the-second-one-produces-a-wave-that-creates-beats-at-a-frequency-of-5-hz-when-both-are-played-together-what-is-the-frequency-of-the-wave-generated-by-the-second-instrument-f031700b</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-tools-such-as-graphs-to-calculate-the-work-of-a-force-using-the-idea-that-the-area-on-a-force-by-displacement-graph-is-numerically-equal-to-the-work-generated-by-the-force/an-operator-pushes-a-cargo-trolley-using-a-steady-force-over-a-distance-of-4-metres-the-graph-showing-the-relationship-between-the-applied-force-in-newtons-and-the-displacement-in-metres-appears-as-a-constant-horizontal-line-what-is-the-work-done-by-the-operator-based-on-this-graph-1ab08203</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/use-tools-such-as-graphs-to-calculate-the-work-of-a-force-using-the-idea-that-the-area-on-a-force-by-displacement-graph-is-numerically-equal-to-the-work-generated-by-the-force/an-operator-pushes-a-cargo-trolley-using-a-steady-force-over-a-distance-of-4-metres-the-graph-showing-the-relationship-between-the-applied-force-in-newtons-and-the-displacement-in-metres-appears-as-a-constant-horizontal-line-what-is-the-work-done-by-the-operator-based-on-this-graph-1ab08203" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-black-hole-is-how-it-works-what-its-origins-are-understand-where-it-might-be-in-the-universe-and-its-characteristics/while-observing-a-far-off-galaxy-astronomers-noticed-strange-movements-in-the-stars-near-its-centre-indicating-the-presence-of-an-object-with-an-exceptionally-high-mass-and-powerful-gravitational-pull-based-on-these-observations-what-could-be-the-most-plausible-explanation-for-this-object-d5dc5eb6</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-black-hole-is-how-it-works-what-its-origins-are-understand-where-it-might-be-in-the-universe-and-its-characteristics/while-observing-a-far-off-galaxy-astronomers-noticed-strange-movements-in-the-stars-near-its-centre-indicating-the-presence-of-an-object-with-an-exceptionally-high-mass-and-powerful-gravitational-pull-based-on-these-observations-what-could-be-the-most-plausible-explanation-for-this-object-d5dc5eb6" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/write-a-wave-equation-that-can-describe-wave-motion-as-a-function-of-time-using-sinusoidal-functions-to-describe-that-motion/an-engineer-is-investigating-the-sound-waves-generated-by-a-speaker-the-air-pressure-at-a-certain-point-can-be-modelled-using-a-sinusoidal-function-that-changes-over-time-which-of-the-following-equations-describes-the-variation-of-air-pressure-as-a-function-of-time-6fe7f309</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/write-a-wave-equation-that-can-describe-wave-motion-as-a-function-of-time-using-sinusoidal-functions-to-describe-that-motion/an-engineer-is-investigating-the-sound-waves-generated-by-a-speaker-the-air-pressure-at-a-certain-point-can-be-modelled-using-a-sinusoidal-function-that-changes-over-time-which-of-the-following-equations-describes-the-variation-of-air-pressure-as-a-function-of-time-6fe7f309" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/relate-kinetic-energy-to-the-work-done-by-a-force-solve-problems-using-work-and-kinetic-energy-to-calculate-forces-displacements-or-velocities/a-skater-is-at-rest-at-the-top-of-a-ramp-and-decides-to-go-down-to-the-bottom-given-that-the-only-force-acting-on-the-skater-during-the-journey-is-gravity-how-is-the-skaters-kinetic-energy-related-to-the-work-done-by-gravity-ad985438</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/relate-kinetic-energy-to-the-work-done-by-a-force-solve-problems-using-work-and-kinetic-energy-to-calculate-forces-displacements-or-velocities/a-skater-is-at-rest-at-the-top-of-a-ramp-and-decides-to-go-down-to-the-bottom-given-that-the-only-force-acting-on-the-skater-during-the-journey-is-gravity-how-is-the-skaters-kinetic-energy-related-to-the-work-done-by-gravity-ad985438" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-use-of-the-first-law-of-thermodynamics-and-calculate-volume-pressure-temperature-of-gaseous-transformations/a-500-litre-container-holds-100-mol-of-an-ideal-gas-at-a-pressure-of-200-atm-and-a-temperature-of-300-k-the-gas-goes-through-an-isothermal-expansion-reducing-the-pressure-to-100-atm-using-the-first-law-of-thermodynamics-what-will-be-the-final-volume-of-the-gas-after-this-change-dc9348a8</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-use-of-the-first-law-of-thermodynamics-and-calculate-volume-pressure-temperature-of-gaseous-transformations/a-500-litre-container-holds-100-mol-of-an-ideal-gas-at-a-pressure-of-200-atm-and-a-temperature-of-300-k-the-gas-goes-through-an-isothermal-expansion-reducing-the-pressure-to-100-atm-using-the-first-law-of-thermodynamics-what-will-be-the-final-volume-of-the-gas-after-this-change-dc9348a8" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-human-eye-as-an-optical-instrument-calculate-the-focal-length-of-the-human-eye-identify-the-main-types-of-ocular-deviations-and-the-types-of-lenses-used-to-correct-them/during-a-vision-test-an-eye-doctor-finds-that-the-focal-distance-of-a-patients-eye-is-shorter-than-whats-typical-for-a-human-eye-this-means-the-patient-struggles-to-focus-on-things-that-are-far-away-given-this-situation-what-kind-of-lens-would-be-suitable-to-help-this-patient-see-better-8d9e9c0f</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-the-human-eye-as-an-optical-instrument-calculate-the-focal-length-of-the-human-eye-identify-the-main-types-of-ocular-deviations-and-the-types-of-lenses-used-to-correct-them/during-a-vision-test-an-eye-doctor-finds-that-the-focal-distance-of-a-patients-eye-is-shorter-than-whats-typical-for-a-human-eye-this-means-the-patient-struggles-to-focus-on-things-that-are-far-away-given-this-situation-what-kind-of-lens-would-be-suitable-to-help-this-patient-see-better-8d9e9c0f" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-latent-heat-solve-problems-involving-heat-exchanges-with-state-changes-such-as-the-change-from-ice-to-water/a-scientist-is-investigating-how-ice-melts-under-various-environmental-conditions-he-places-20000-g-of-ice-at-500c-in-a-container-that-provides-consistent-thermal-energy-until-all-the-ice-turns-into-water-at-2500c-given-that-the-specific-heat-of-ice-is-210-jgc-the-specific-heat-of-water-is-418-jgc-and-the-latent-heat-of-fusion-for-ice-is-334-jg-what-is-the-total-amount-of-heat-needed-for-this-process-b284b764</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-latent-heat-solve-problems-involving-heat-exchanges-with-state-changes-such-as-the-change-from-ice-to-water/a-scientist-is-investigating-how-ice-melts-under-various-environmental-conditions-he-places-20000-g-of-ice-at-500c-in-a-container-that-provides-consistent-thermal-energy-until-all-the-ice-turns-into-water-at-2500c-given-that-the-specific-heat-of-ice-is-210-jgc-the-specific-heat-of-water-is-418-jgc-and-the-latent-heat-of-fusion-for-ice-is-334-jg-what-is-the-total-amount-of-heat-needed-for-this-process-b284b764" />
  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/introduce-the-postulates-of-the-theory-of-relativity-the-laws-of-physics-are-the-same-in-all-inertial-reference-systems-and-that-the-speed-of-light-in-a-vacuum-is-the-same-for-all-observers/imagine-a-scenario-where-two-observers-positioned-in-different-inertial-reference-frames-measure-the-speed-of-light-in-a-vacuum-according-to-the-principles-of-the-theory-of-relativity-what-will-be-the-relationship-between-the-measurements-taken-by-these-observers-ab5476cd</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-polarization-of-light-and-relate-the-power-of-light-passing-through-a-polarizer-to-the-actual-power-that-passes-through-it/in-a-lab-experiment-a-beam-of-monochromatic-light-with-initial-power-p0-is-aimed-at-a-linear-polarizer-after-it-passes-through-the-first-polarizer-the-light-hits-a-second-polarizer-set-at-an-angle-8-to-the-first-given-that-the-intensity-of-the-light-passing-through-both-polarizers-follows-maluss-law-which-of-the-following-options-accurately-describes-the-relationship-between-the-power-of-the-light-after-the-second-polarizer-p-and-the-initial-power-p0-e46c8883</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-heat-flow-and-fouriers-law-which-states-that-the-flow-is-proportional-to-the-conductors-area-the-temperature-variation-but-inversely-proportional-to-its-length-to-calculate-temperature-variations-in-conductors/a-lab-is-using-a-material-with-a-cross-sectional-area-of-050-m-and-a-length-of-120-m-to-transfer-heat-from-a-thermal-source-the-temperature-at-the-end-closest-to-the-source-is-150c-while-the-other-end-is-at-30c-according-to-fouriers-law-what-is-the-heat-flow-through-this-material-b6281ad3</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-and-calculate-the-magnetic-force-applied-to-moving-electric-charges-verify-that-the-magnetic-force-is-perpendicular-to-both-the-velocity-and-the-magnetic-field/a-scientist-is-investigating-the-movement-of-electrons-in-a-conductor-placed-within-a-uniform-magnetic-field-of-075-t-the-electrons-are-travelling-at-a-speed-of-200103-ms-which-is-perpendicular-to-the-magnetic-field-given-that-each-electron-has-a-charge-of-16010-19-c-calculate-the-magnitude-of-the-magnetic-force-acting-on-a-single-electron-cef79b7e</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-heat-flow-and-fouriers-law-which-states-that-the-flow-is-proportional-to-the-conductors-area-the-temperature-variation-but-inversely-proportional-to-its-length-to-calculate-temperature-variations-in-conductors/in-a-lab-setting-two-blocks-made-from-different-materials-are-placed-under-a-constant-temperature-difference-of-50-c-material-x-has-a-surface-area-of-15-m-and-a-thickness-of-04-m-while-material-y-matches-in-area-but-has-a-thickness-of-08-m-according-to-fouriers-law-which-of-the-two-materials-will-show-a-lower-heat-flow-842c8e36</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-expansion-of-bodies-specifically-the-surface-expansion-of-an-object-solve-problems-of-holes-in-sheets/an-engineer-is-working-on-a-metal-plate-designed-for-industrial-machinery-that-functions-in-high-temperature-settings-since-the-plate-expands-when-heated-the-engineer-must-ensure-that-the-holes-remain-correctly-sized-for-component-assembly-given-that-the-plate-has-a-circular-hole-measuring-10-cm-in-diameter-at-room-temperature-and-the-materials-surface-expansion-coefficient-is-12-10-c-what-will-be-the-new-diameter-of-the-hole-when-the-temperature-rises-by-150-c-10a53c62" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-inertia-is-comprehend-that-a-body-at-rest-or-moving-at-constant-velocity-has-zero-acceleration-and-the-sum-of-the-forces-results-in-zero/a-skater-glides-effortlessly-across-a-smooth-rink-keeping-a-steady-pace-according-to-newtons-first-law-what-does-this-tell-us-about-the-net-force-acting-on-the-skater-abf31053</loc>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-torque-of-a-force-is-a-measure-of-the-tendency-to-rotate-a-certain-body-and-calculate-it-using-the-formula-tf-x-d-x-sin-a/in-a-torque-balance-experiment-a-learner-places-a-weight-of-25-n-at-a-distance-of-15-metres-from-the-pivot-point-to-achieve-balance-in-the-system-they-need-to-apply-a-force-at-a-different-position-on-the-balance-if-the-applied-force-is-09-metres-from-the-pivot-point-and-makes-an-angle-of-60-with-the-lever-what-should-the-value-of-this-force-be-f13e6ada</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/relate-the-power-of-a-body-with-its-speed-generated-at-that-moment-using-the-formula-pf-v-where-the-power-is-given-by-the-product-of-the-applied-force-by-the-speed-of-the-body/a-cyclist-pushes-down-hard-on-their-bikes-pedals-to-keep-a-steady-pace-during-a-race-according-to-the-power-formula-p-f-v-where-p-stands-for-power-f-is-the-force-exerted-and-v-is-the-cyclists-speed-as-the-cyclist-picks-up-speed-what-happens-to-the-power-they-are-generating-provided-the-force-they-apply-stays-the-same-c7666b74</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-the-maxima-and-minima-of-newtons-rings-or-use-it-to-calculate-wavelengths-or-thicknesses-of-bodies/in-a-physics-lab-a-student-uses-a-convex-lens-with-a-known-radius-of-curvature-on-a-flat-mirror-to-create-newtons-rings-using-a-single-colour-light-source-by-measuring-the-diameters-of-the-third-and-fifth-dark-spots-of-interference-the-student-aims-to-calculate-the-wavelength-of-the-light-used-in-the-experiment-considering-the-principles-of-light-wave-interference-what-method-should-the-student-use-to-accurately-determine-the-wavelength-of-light-from-the-measurements-taken-94a25235</loc>
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    <changefreq>monthly</changefreq>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-a-resultant-force-acting-on-a-given-object-and-calculate-its-work-by-the-product-of-the-distance-traveled-by-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/an-object-is-being-pulled-by-two-forces-acting-at-the-same-time-the-first-force-is-150-n-applied-horizontally-while-the-second-force-of-150-n-makes-an-angle-of-30-with-the-horizontal-the-object-travels-40-meters-in-the-direction-of-the-resultant-force-what-is-the-work-done-by-this-resultant-force-on-the-object-d974c789</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-and-understand-what-momentum-is-and-how-to-calculate-it-using-the-formula-qm-v-where-momentum-is-calculated-by-the-product-of-the-velocity-and-the-mass-of-the-body/in-a-physics-experiment-a-block-weighing-400-kg-is-sliding-horizontally-at-a-speed-of-300-ms-heading-east-at-the-same-time-another-block-with-a-mass-of-250-kg-is-moving-at-a-speed-of-400-ms-making-an-angle-of-30-north-of-the-east-after-colliding-both-blocks-stick-together-what-is-the-total-momentum-of-the-system-following-the-collision-32255d93</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-and-calculate-the-magnetic-force-applied-to-moving-electric-charges-verify-that-the-magnetic-force-is-perpendicular-to-both-the-velocity-and-the-magnetic-field/a-charge-of-300-x-10-6-c-is-moving-at-a-speed-of-200-x-103-ms-straight-across-a-uniform-magnetic-field-with-an-intensity-of-0750-t-what-is-the-strength-of-the-magnetic-force-acting-on-this-charge-e571ecf9</loc>
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  </url>
  <url>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-thermodynamic-cycle-is-and-solve-problems-involving-thermodynamic-cycles-with-calculations-of-heat-exchanged-internal-energy-or-work-done/in-a-thermal-power-plant-the-thermodynamic-cycle-in-use-converts-thermal-energy-into-mechanical-work-to-generate-electricity-when-looking-at-an-ideal-thermodynamic-cycle-which-of-the-following-statements-accurately-describes-the-connection-between-the-heat-absorbed-from-the-hot-source-and-the-work-done-by-the-system-ed080616" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/based-on-the-wave-assumption-calculate-the-troughs-crests-or-the-resulting-amplitude-of-a-wave-superposition/in-a-physics-lab-two-sinusoidal-waves-travelling-in-the-same-direction-have-amplitudes-of-300-cm-and-400-cm-respectively-and-a-phase-difference-of-3000-considering-the-superposition-of-these-waves-at-the-observation-point-what-is-the-resultant-amplitude-of-the-combined-wave-26af2466</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/based-on-the-wave-assumption-calculate-the-troughs-crests-or-the-resulting-amplitude-of-a-wave-superposition/in-a-physics-lab-two-sinusoidal-waves-travelling-in-the-same-direction-have-amplitudes-of-300-cm-and-400-cm-respectively-and-a-phase-difference-of-3000-considering-the-superposition-of-these-waves-at-the-observation-point-what-is-the-resultant-amplitude-of-the-combined-wave-26af2466" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-expansion-of-bodies-which-is-the-expansion-in-three-dimensions-of-an-object-such-as-a-container-with-liquid/a-metal-tank-shaped-like-a-cube-has-edges-measuring-180-meters-and-is-completely-filled-with-a-liquid-at-a-temperature-of-30c-when-the-internal-temperature-of-the-tank-rises-uniformly-to-90c-the-liquid-expands-in-volume-with-a-coefficient-of-000025-c-given-that-the-tank-cannot-expand-lets-determine-whether-there-will-be-a-risk-of-overflow-and-if-so-calculate-how-much-liquid-will-spill-over-986e051b</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-expansion-of-bodies-which-is-the-expansion-in-three-dimensions-of-an-object-such-as-a-container-with-liquid/a-metal-tank-shaped-like-a-cube-has-edges-measuring-180-meters-and-is-completely-filled-with-a-liquid-at-a-temperature-of-30c-when-the-internal-temperature-of-the-tank-rises-uniformly-to-90c-the-liquid-expands-in-volume-with-a-coefficient-of-000025-c-given-that-the-tank-cannot-expand-lets-determine-whether-there-will-be-a-risk-of-overflow-and-if-so-calculate-how-much-liquid-will-spill-over-986e051b" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-and-dimension-an-unknown-magnitude-or-constant-based-on-the-relationships-of-a-formula-and-the-dimension-of-known-magnitudes-such-as-speed-having-dimension-1-of-length-and-1-of-time/a-company-is-developing-a-machine-that-relies-on-the-flow-of-fluid-to-function-effectively-the-power-p-needed-to-keep-the-flow-going-is-seen-to-depend-on-the-fluid-density-rho-the-cross-sectional-area-of-the-tubing-a-the-speed-of-the-fluid-v-and-a-constant-c-that-reflects-the-properties-of-the-system-through-dimensional-analysis-what-is-the-dimension-of-the-constant-c-in-relation-to-the-dimensions-of-power-p-density-rho-area-a-and-velocity-v-20b7aa07</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/find-and-dimension-an-unknown-magnitude-or-constant-based-on-the-relationships-of-a-formula-and-the-dimension-of-known-magnitudes-such-as-speed-having-dimension-1-of-length-and-1-of-time/a-company-is-developing-a-machine-that-relies-on-the-flow-of-fluid-to-function-effectively-the-power-p-needed-to-keep-the-flow-going-is-seen-to-depend-on-the-fluid-density-rho-the-cross-sectional-area-of-the-tubing-a-the-speed-of-the-fluid-v-and-a-constant-c-that-reflects-the-properties-of-the-system-through-dimensional-analysis-what-is-the-dimension-of-the-constant-c-in-relation-to-the-dimensions-of-power-p-density-rho-area-a-and-velocity-v-20b7aa07" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-the-principles-of-relativity-to-calculate-relativistic-energy-including-rest-energy-emc-and-solve-problems-involving-its-use/in-a-physics-experiment-two-particles-have-the-same-rest-mass-particle-a-stays-put-while-particle-b-is-sped-up-to-70percent-of-the-speed-of-light-according-to-the-theory-of-relativity-how-does-the-total-relativistic-energy-of-particle-b-stack-up-against-the-rest-energy-of-particle-a-128ea44d</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/use-the-principles-of-relativity-to-calculate-relativistic-energy-including-rest-energy-emc-and-solve-problems-involving-its-use/in-a-physics-experiment-two-particles-have-the-same-rest-mass-particle-a-stays-put-while-particle-b-is-sped-up-to-70percent-of-the-speed-of-light-according-to-the-theory-of-relativity-how-does-the-total-relativistic-energy-of-particle-b-stack-up-against-the-rest-energy-of-particle-a-128ea44d" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-stars-such-as-red-dwarfs-and-white-dwarfs-and-neutron-stars-understand-how-the-evolution-of-stars-modifies-them-and-the-types-of-stars-that-can-be-generated/as-an-intermediate-mass-star-evolves-it-eventually-runs-out-of-its-nuclear-fuel-and-goes-through-several-stellar-stages-given-its-dense-nature-and-compact-size-what-type-of-star-does-this-final-stage-represent-9f6e2a63</loc>
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    <changefreq>monthly</changefreq>
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  </url>
  <url>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-in-simple-harmonic-motion-there-is-conservation-of-kinetic-energy-and-calculate-the-velocity-at-certain-points-or-the-deformation-of-the-spring/a-2-kg-block-is-fixed-to-a-spring-with-an-elastic-constant-of-50-nm-and-undergoes-horizontal-simple-harmonic-motion-given-that-the-mechanical-energy-of-the-system-is-conserved-what-is-the-maximum-velocity-of-the-block-when-it-passes-through-the-equilibrium-point-63694b58</loc>
    <lastmod>2025-03-12</lastmod>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-angular-displacement-from-linear-displacement-calculate-angular-displacements-such-as-the-change-in-position-of-a-clock-hand-or-a-mobile-on-a-circular-track/in-a-physics-lesson-ana-watches-the-minute-hand-on-an-analog-clock-as-it-moves-from-the-2-oclock-position-to-the-5-oclock-position-over-a-specific-time-period-what-is-the-angular-displacement-of-the-minute-hand-during-this-interval-50a85f9b</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-how-the-solar-system-works-its-main-components-understand-the-interactions-between-the-main-components-of-the-solar-system/when-the-solar-system-was-forming-the-various-compositions-and-positions-of-the-planets-were-shaped-by-several-physical-factors-taking-into-account-the-interplay-between-the-planets-orbital-speeds-and-the-suns-gravitational-pull-which-of-the-following-explanations-best-explains-why-rocky-planets-are-situated-nearer-to-the-sun-while-gaseous-planets-are-found-further-out-1412a8de</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-how-the-solar-system-works-its-main-components-understand-the-interactions-between-the-main-components-of-the-solar-system/when-the-solar-system-was-forming-the-various-compositions-and-positions-of-the-planets-were-shaped-by-several-physical-factors-taking-into-account-the-interplay-between-the-planets-orbital-speeds-and-the-suns-gravitational-pull-which-of-the-following-explanations-best-explains-why-rocky-planets-are-situated-nearer-to-the-sun-while-gaseous-planets-are-found-further-out-1412a8de" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-general-problems-of-momentum-impulse-theorem-and-collisions-recalling-when-momentum-given-by-q-m-v-can-be-conserved-or-not/a-50-kg-skater-is-gliding-east-at-a-speed-of-6-ms-and-crashes-head-on-into-another-skater-weighing-70-kg-who-is-moving-west-at-a-speed-of-4-ms-after-the-crash-both-skaters-end-up-moving-together-in-the-same-direction-considering-the-conservation-of-momentum-what-will-be-the-joint-speed-of-the-skaters-after-the-crash-b4567d6a</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-collision-problems-of-bodies-in-two-or-more-dimensions-using-the-coefficient-of-restitution-for-this-purpose/two-trolleys-of-different-masses-are-moving-on-a-frictionless-surface-trolley-a-weighing-200-kg-is-heading-to-the-right-at-a-speed-of-300-ms-while-trolley-b-weighing-300-kg-is-moving-upwards-at-a-speed-of-200-ms-after-the-collision-the-trolleys-separate-forming-a-45-angle-relative-to-their-initial-paths-given-that-the-coefficient-of-restitution-is-08-what-is-the-speed-of-trolley-a-after-the-collision-54f4a25e</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-the-maxima-and-minima-of-newtons-rings-or-use-it-to-calculate-wavelengths-or-thicknesses-of-bodies/in-a-physics-lab-an-experiment-was-set-up-to-observe-newtons-rings-using-a-plano-convex-lens-with-a-known-radius-of-curvature-placed-on-a-flat-surface-illuminated-by-a-monochromatic-light-source-the-student-measured-the-diameters-of-the-first-two-rings-of-minimum-intensity-and-wants-to-find-out-the-wavelength-of-the-light-used-based-on-this-information-what-is-the-mathematical-relationship-that-the-student-should-apply-to-calculate-the-wavelength-from-the-measurements-of-the-newtons-rings-8889ecd3</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-electric-charge-is-that-only-negative-charge-is-transmitted-from-one-body-to-another-and-calculate-the-charge-of-a-body-based-on-the-electric-charge-of-an-electron/in-a-physics-lab-two-insulating-materials-are-rubbed-together-leading-to-the-transfer-of-electric-charges-from-one-to-the-other-after-they-interact-material-a-ends-up-with-a-negative-charge-because-of-the-movement-of-electrons-given-that-the-charge-of-an-electron-is-160-10-c-work-out-the-total-charge-transferred-to-material-a-if-400-10-electrons-were-shifted-24e0138e</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-refractive-index-of-the-medium-or-based-on-it-calculate-the-angular-deviation-or-calculate-the-speed-of-a-medium/when-putting-together-a-window-for-a-green-building-project-the-optical-engineer-needs-to-figure-out-the-refractive-index-of-the-glass-to-help-get-as-much-natural-light-inside-as-possible-given-that-a-ray-of-light-hits-the-glass-at-an-angle-of-40-to-the-normal-and-the-angle-of-refraction-in-the-glass-is-28-we-need-to-calculate-the-refractive-index-of-the-glass-c792b53b</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-expansion-of-bodies-specifically-the-surface-expansion-of-an-object-solve-problems-of-holes-in-sheets/a-manufacturer-is-producing-metal-sheets-with-circular-holes-designed-for-environments-that-experience-temperature-fluctuations-to-ensure-that-the-holes-continue-to-function-properly-after-heating-its-essential-to-account-for-the-sheets-surface-expansion-if-the-temperature-of-the-sheet-rises-how-will-this-impact-the-diameter-of-the-existing-holes-82c06125</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-hydrostatic-pressure-which-is-the-pressure-exerted-by-a-fluid-at-rest-due-to-the-force-of-gravity-remembering-that-it-increases-with-the-depth-of-the-fluid/an-engineer-is-working-on-a-hydraulic-system-designed-to-lift-heavy-loads-if-a-force-of-150-n-is-exerted-on-a-piston-with-an-area-of-003-m-what-will-be-the-pressure-that-is-transmitted-evenly-by-the-fluid-throughout-the-system-54984420</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-relationship-between-charges-distance-and-the-generated-electric-force-use-coulombs-law-to-solve-problems-such-as-the-force-to-which-two-point-charges-are-subjected-when-at-a-certain-distance/two-point-charges-q-5-mc-and-q-3-mc-are-positioned-04-meters-apart-in-a-vacuum-according-to-coulombs-law-what-is-the-size-of-the-electric-force-acting-between-them-2cec1814</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/equation-a-hydrogen-like-atom-based-on-the-concepts-of-modern-physics-calculating-for-example-the-radius-of-the-atom-in-the-nth-orbit/a-physics-lab-is-looking-into-the-structure-of-hydrogen-atoms-using-the-bohr-model-to-get-a-better-grasp-of-the-concept-the-students-need-to-calculate-the-radius-of-the-third-orbit-of-a-hydrogen-atom-whats-the-right-formula-to-work-out-this-radius-5f796110</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-and-calculate-the-magnetic-force-applied-to-moving-electric-charges-verify-that-the-magnetic-force-is-perpendicular-to-both-the-velocity-and-the-magnetic-field/in-a-lab-experiment-a-charged-particle-is-moving-with-velocity-v-that-makes-a-30-angle-with-a-uniform-magnetic-field-b-the-magnetic-force-resulting-from-this-scenario-will-deflect-the-path-of-the-particle-sideways-since-the-magnetic-force-is-at-a-right-angle-to-both-the-direction-of-the-velocity-and-the-magnetic-field-what-is-the-correct-formula-for-calculating-the-size-of-the-magnetic-force-acting-on-the-particle-c5ea0840</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-levers-are-simple-machines-that-help-amplify-a-force-comprehend-how-they-work-and-the-main-types-such-as-interfixed-interresistant-and-interpotent/in-an-engineering-workshop-a-technician-uses-various-levers-to-shift-heavy-machine-parts-in-one-task-he-uses-a-resistance-lever-to-balance-a-load-of-500-n-by-applying-a-force-of-125-n-at-the-application-point-in-another-similar-task-he-uses-a-force-lever-to-lift-the-same-load-with-a-force-of-200-n-considering-the-principles-of-statics-and-the-types-of-levers-which-of-the-following-statements-best-explains-the-mechanical-advantage-provided-by-the-resistance-lever-used-by-the-technician-a49fc415</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-buoyancy-of-a-body-and-understand-its-meaning-solve-problems-of-submerged-bodies-that-require-the-calculation-of-buoyancy/a-naval-engineer-is-designing-a-ship-that-needs-to-keep-afloat-while-carrying-various-loads-the-ship-has-a-hull-with-a-total-volume-of-500-m-and-an-average-density-of-800-kgm-given-that-the-density-of-seawater-is-1025-kgm-what-should-the-depth-of-the-hull-be-submerged-to-ensure-it-can-support-an-extra-load-of-2000-kg-without-sinking-bbd3c982</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-calculation-of-capacitance-of-capacitors-that-are-in-parallel-using-the-fact-that-when-capacitors-are-in-series-we-must-add-the-capacitances/a-student-is-putting-together-an-electrical-circuit-that-uses-capacitors-to-keep-the-voltage-stable-he-connects-three-capacitors-in-parallel-with-capacitances-of-25-f-375-f-and-425-f-what-is-the-total-capacitance-of-this-setup-00809d04</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-calculation-of-capacitance-of-capacitors-that-are-in-parallel-using-the-fact-that-when-capacitors-are-in-series-we-must-add-the-capacitances/a-student-is-putting-together-an-electrical-circuit-that-uses-capacitors-to-keep-the-voltage-stable-he-connects-three-capacitors-in-parallel-with-capacitances-of-25-f-375-f-and-425-f-what-is-the-total-capacitance-of-this-setup-00809d04" />
  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-centripetal-acceleration-acting-on-a-specific-body-knowing-that-the-centripetal-acceleration-is-equal-to-the-square-of-the-speed-divided-by-the-radius-of-the-path/a-cyclist-is-taking-a-turn-on-a-circular-track-with-a-radius-of-25-metres-maintaining-a-steady-speed-of-12-ms-what-is-the-centripetal-acceleration-acting-on-the-cyclist-during-the-turn-2af853c5</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-sensible-heat-solve-problems-involving-heat-exchanges-and-temperature-changes-such-as-when-mixing-two-masses-of-water-at-different-temperatures/a-school-lab-is-running-an-experiment-to-find-out-the-thermal-capacity-of-an-unknown-metal-to-start-off-a-student-heats-150-g-of-water-to-60c-and-then-pours-this-water-into-a-calorimeter-that-has-200-g-of-the-metal-at-a-room-temperature-of-25c-after-they-reach-thermal-equilibrium-the-temperature-of-the-mixture-settles-at-30c-given-that-the-specific-heat-of-water-is-418-jgc-can-you-determine-the-specific-heat-of-the-metal-d494757a</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-beating-is-a-phenomenon-that-occurs-when-two-waves-of-slightly-different-frequencies-overlap-resulting-in-a-new-wave-whose-amplitude-varies-over-time-calculate-the-beat-frequency/a-musician-is-tuning-two-strings-of-their-instrument-and-realises-that-when-they-play-them-together-theres-a-rhythmic-change-in-the-volume-of-the-sound-considering-that-the-two-sound-waves-have-slightly-different-frequencies-what-is-the-frequency-of-the-beats-arising-from-this-situation-c7cb3333</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-entropy-of-the-universe-is-always-increasing-calculate-the-entropy-change-of-processes-such-as-state-change-or-isothermal-processes-verify-the-increase-or-decrease-of-entropy-in-a-system/a-closed-system-undergoes-an-isothermal-process-where-it-absorbs-800-j-of-heat-from-the-surroundings-keeping-its-temperature-steady-at-350-k-what-is-the-change-in-entropy-of-the-system-during-this-process-b7c49737</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-average-scalar-acceleration-that-a-body-had-to-go-from-an-initial-velocity-to-a-final-velocity-in-a-certain-time-such-as-a-mobile-going-from-1-ms-to-10-ms-in-9-s-requires-an-acceleration-of-1-ms/a-moving-object-starts-its-journey-with-an-initial-speed-of-2-ms-and-covers-a-total-distance-of-40-meters-in-8-seconds-achieving-its-final-speed-during-this-time-given-that-the-acceleration-was-steady-throughout-the-entire-distance-what-was-the-average-scalar-acceleration-of-the-object-during-this-interval-1a1973ea</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-impulse-refers-to-the-change-in-momentum-of-an-object-when-a-force-is-applied-over-a-time-interval-and-calculate-it-by-the-product-of-the-force-and-the-application-time/a-long-jumper-is-honing-their-skills-to-up-their-game-in-one-of-their-practice-jumps-they-exert-a-steady-force-of-750-n-on-the-ground-for-04-seconds-before-leaping-into-the-air-what-is-the-impulse-delivered-by-the-jumper-to-the-ground-during-the-jump-19ca43f8</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-in-simple-harmonic-motion-there-is-conservation-of-kinetic-energy-and-calculate-the-velocity-at-certain-points-or-the-deformation-of-the-spring/a-mass-spring-system-consists-of-a-spring-with-elastic-constant-k-mounted-horizontally-on-a-frictionless-surface-along-with-a-mass-m-that-moves-freely-when-the-mass-is-shifted-to-a-maximum-amplitude-of-a-and-released-it-undergoes-simple-harmonic-motion-by-applying-the-principle-of-conservation-of-mechanical-energy-in-this-setup-what-is-the-formula-for-the-velocity-of-the-mass-when-it-is-at-a-position-x-in-relation-to-the-equilibrium-point-9af479df</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-snells-law-to-calculate-deviations-of-rays-passing-from-one-medium-to-another-and-the-speed-of-light-propagation-in-various-media/an-engineer-is-working-on-a-glass-window-for-an-observation-building-that-aims-to-provide-clear-external-visibility-while-reducing-light-distortion-in-his-design-he-takes-into-account-that-sunlight-hits-the-surface-of-the-glass-at-an-angle-of-30-knowing-that-the-refractive-index-of-air-is-100-and-that-of-glass-is-150-use-snells-law-to-figure-out-the-angle-at-which-light-refracts-as-it-enters-the-glass-and-calculate-the-speed-of-light-moving-through-this-material-which-of-the-following-statements-correctly-describes-the-deviation-of-the-light-ray-and-the-speed-of-light-in-glass-d421839d</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-how-the-solar-system-works-its-main-components-understand-the-interactions-between-the-main-components-of-the-solar-system/by-observing-how-the-planets-move-around-the-sun-astronomers-examine-the-gravitational-forces-that-help-keep-our-solar-system-steady-when-considering-the-key-features-of-celestial-bodies-within-the-solar-system-which-factor-is-the-most-critical-for-sustaining-planetary-orbits-aa70f7e2</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-the-reactions-of-the-main-forces-such-as-the-reaction-to-the-weight-force-and-the-normal-force-understand-that-every-force-will-have-a-reaction-of-the-same-magnitude-and-direction-but-opposite-senses/a-book-is-sitting-on-a-table-in-a-stable-setting-according-to-newtons-third-law-for-every-action-there-is-an-equal-and-opposite-reaction-what-are-the-reaction-forces-acting-between-the-book-and-the-table-9320f64e</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-heat-flow-and-fouriers-law-which-states-that-the-flow-is-proportional-to-the-conductors-area-the-temperature-variation-but-inversely-proportional-to-its-length-to-calculate-temperature-variations-in-conductors/in-a-lab-we-have-two-thermal-conductors-conductor-a-and-conductor-b-both-with-the-same-cross-sectional-area-of-0005-m-conductor-a-measures-15-meters-in-length-and-has-a-thermal-conductivity-of-200-wmk-while-conductor-b-is-3-meters-long-with-a-thermal-conductivity-of-100-wmk-both-conductors-experience-a-temperature-difference-of-80c-at-their-ends-based-on-fouriers-law-which-conductor-will-show-a-greater-heat-flow-b4a0d67c</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-average-speed-of-an-object-in-uniformly-accelerated-motion-based-on-the-initial-and-final-speeds-such-as-for-an-object-with-an-initial-speed-of-2-ms-and-8-ms-its-average-speed-is-5-ms/a-motorcyclist-sets-off-at-a-speed-of-2-ms-and-after-a-while-accelerates-steadily-until-reaching-8-ms-taking-this-consistent-change-in-speed-into-account-what-would-be-the-average-speed-of-the-motorcyclist-during-this-time-d596ff03</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-use-of-the-first-law-of-thermodynamics-and-calculate-volume-pressure-temperature-of-gaseous-transformations/a-cyclist-uses-an-internal-combustion-engine-that-operates-without-heat-exchange-during-the-gas-compression-in-the-cylinder-initially-the-gas-has-a-volume-of-800-l-and-is-at-a-pressure-of-150-atm-and-a-temperature-of-300-k-after-compression-the-gas-volume-is-reduced-to-400-l-considering-that-the-process-is-heat-exchange-free-and-that-the-gas-behaves-as-an-ideal-gas-with-g-14-what-is-the-final-temperature-of-the-gas-once-its-been-compressed-2c9aa28f</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-the-main-types-of-lenses-such-as-converging-or-diverging-verifying-their-properties-and-characteristics/a-manufacturer-of-optical-equipment-is-working-on-a-projection-system-that-requires-precise-focusing-of-light-beams-at-different-points-on-stage-to-control-the-convergence-and-divergence-of-these-beams-its-crucial-to-choose-the-right-type-of-lens-considering-the-characteristics-of-converging-and-diverging-lenses-what-type-of-lens-should-the-engineer-opt-for-to-direct-the-light-beams-so-they-can-concentrate-at-specific-points-without-scattering-d8d908c4</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-a-constant-force-remembering-that-work-is-calculated-by-the-product-of-the-distance-traveled-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/in-a-lab-a-physicist-exerts-a-constant-force-of-150-n-at-an-angle-of-30-above-the-horizontal-to-move-a-piece-of-equipment-a-distance-of-8-metres-across-a-flat-surface-taking-into-account-only-the-component-of-the-force-in-the-direction-of-the-movement-what-is-the-work-done-by-the-force-applied-by-the-physicist-acbaa723</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-main-graphs-of-uniformly-accelerated-motion-such-as-the-graph-between-velocity-and-position-is-a-line-use-and-solve-problems-involving-graphs-of-uniformly-accelerated-motion/a-motorcycle-speeds-up-steadily-from-a-standstill-on-a-straight-track-when-plotting-velocity-as-a-function-of-distance-travelled-we-see-a-straight-line-what-does-the-slope-of-this-line-tell-us-about-the-motorcycles-motion-13ed9dfc</loc>
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    <changefreq>monthly</changefreq>
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  <url>
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  </url>
  <url>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-main-laws-of-kepler-are-solve-problems-involving-the-use-of-keplers-laws-such-as-recognizing-the-orbits-of-planets-calculating-radius-distance-and-oscillation-period/a-scientist-is-examining-two-planets-that-revolve-around-the-same-star-planet-x-has-an-orbital-period-of-25-years-and-orbits-the-star-at-an-average-distance-of-18-au-using-keplers-laws-particularly-the-third-law-what-will-be-the-expected-orbital-period-for-a-second-planet-y-that-orbits-the-same-star-at-an-average-distance-of-36-au-2b03fa89" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-electric-current-in-a-given-conductor-using-the-ratio-of-the-amount-of-charges-that-pass-through-the-conductor-divided-by-the-time/a-factory-runs-an-electrical-system-where-50-106-electrons-flow-through-a-conductor-in-200-seconds-given-that-each-electron-carries-a-charge-of-160-10-19-c-what-is-the-current-intensity-in-this-conductor-a5737260</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-electric-current-in-a-given-conductor-using-the-ratio-of-the-amount-of-charges-that-pass-through-the-conductor-divided-by-the-time/a-factory-runs-an-electrical-system-where-50-106-electrons-flow-through-a-conductor-in-200-seconds-given-that-each-electron-carries-a-charge-of-160-10-19-c-what-is-the-current-intensity-in-this-conductor-a5737260" />
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/verify-that-when-looking-at-an-object-in-water-or-another-medium-its-position-to-us-is-not-its-real-position-calculate-its-real-or-apparent-position-based-on-the-medium-and-the-real-or-apparent-position/a-diver-notices-a-warning-sign-positioned-250-meters-under-the-surface-of-a-lake-the-divers-line-of-sight-makes-an-angle-of-60-with-the-surface-of-the-water-given-that-the-refractive-index-for-water-is-133-and-for-air-its-100-what-is-the-apparent-position-of-the-sign-from-the-divers-perspective-7b1d7be3" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-trajectory-of-an-object-is-find-the-trajectory-of-some-bodies-as-well-as-describe-that-trajectory-such-as-a-car-traveling-on-a-road-at-constant-speed/a-car-is-cruising-on-a-straight-road-at-a-steady-speed-of-60-kmh-after-travelling-for-2-hours-the-driver-takes-a-turn-that-veers-the-vehicle-at-an-angle-of-30-from-the-original-path-while-maintaining-the-same-speed-looking-only-at-the-motion-up-until-the-turn-is-complete-what-trajectory-does-the-car-follow-4358c520</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-the-maxima-and-minima-of-newtons-rings-or-use-it-to-calculate-wavelengths-or-thicknesses-of-bodies/while-conducting-an-experiment-with-newtons-rings-using-a-single-colour-light-source-it-was-noted-that-the-fourth-bright-ring-is-positioned-at-a-distance-of-08-mm-from-the-centre-of-the-interference-pattern-given-that-the-refractive-index-of-air-is-roughly-10-what-is-the-wavelength-of-the-light-used-in-this-experiment-4b98dff2</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-average-speed-of-a-gas-is-and-how-to-calculate-it/in-a-research-laboratory-two-sealed-containers-hold-the-same-volumes-of-oxygen-gas-and-hydrogen-gas-both-at-the-same-pressure-and-room-temperature-given-that-the-molecular-mass-of-oxygen-is-approximately-32-gmol-and-that-of-hydrogen-is-2-gmol-which-of-the-following-statements-best-describes-the-relationship-between-the-average-speeds-of-the-molecules-of-these-two-gases-6cf29948</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-hydrostatic-problems-involving-pressure-applied-on-a-surface-or-the-pressure-exerted-at-a-specific-point-in-a-fluid-or-the-buoyant-force-exerted-on-a-body-in-equilibrium/a-boat-is-partly-submerged-in-a-lake-the-area-of-the-submerged-section-of-the-hull-is-1250-m-given-that-the-density-of-water-is-1000-kgm-and-the-acceleration-due-to-gravity-is-981-ms-what-is-the-pressure-exerted-by-the-water-on-the-submerged-part-of-the-boats-hull-51829b2e</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-what-conductors-and-insulators-are-identifying-their-properties-verify-in-a-given-situation-whether-a-body-acts-as-an-insulator-or-conductor/in-an-electronics-factory-the-engineer-is-designing-a-new-device-that-uses-electrical-sensors-to-detect-temperature-changes-to-ensure-the-safety-and-efficiency-of-the-circuit-he-needs-to-select-the-right-materials-for-the-connection-wires-and-for-the-components-that-require-electrical-insulation-considering-the-properties-of-conductors-and-insulators-which-materials-would-be-best-suited-for-each-function-ea185c9f</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-first-law-of-thermodynamics-states-that-energy-cannot-be-destroyed-or-created-but-only-transformed-calculate-work-internal-energy-and-exchanged-heat-using-the-first-law/in-a-thermal-power-station-a-boiler-heats-500-g-of-water-from-25c-to-steam-at-150c-while-maintaining-constant-pressure-during-this-process-the-boiler-absorbs-a-quantity-of-heat-q-and-does-work-w-to-expand-the-steam-given-that-there-is-no-notable-change-in-the-kinetic-and-potential-energy-of-the-system-which-of-the-following-expressions-accurately-represents-the-change-in-the-internal-energy-of-the-water-steam-according-to-the-1st-law-of-thermodynamics-12e0c05d</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-the-principles-of-relativity-to-calculate-relativistic-energy-including-rest-energy-emc-and-solve-problems-involving-its-use/a-physicist-is-investigating-a-particle-that-has-been-accelerated-to-a-speed-of-075-times-the-speed-of-light-in-a-lab-with-a-rest-mass-of-911-10-kg-apply-the-principles-of-relativity-to-find-its-total-relativistic-energy-2f12d822</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-pressure-is-the-normal-force-applied-on-a-surface-divided-by-the-area-and-calculate-the-pressure-of-a-gas-in-a-container/a-lab-is-running-experiments-with-sealed-containers-filled-with-an-ideal-gas-in-one-of-the-tests-a-force-of-200-n-is-applied-at-a-right-angle-to-a-surface-area-of-05-m-to-maintain-equilibrium-in-the-system-its-important-to-calculate-the-pressure-the-gas-exerts-on-the-surface-what-is-the-pressure-of-the-gas-in-the-container-559f03ef</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-and-recognize-the-main-prefixes-of-the-international-system-milli-kilo-etc-perform-conversions-between-multiples-and-submultiples-of-the-main-units-of-measurement-of-the-international-system/while-building-a-miniature-model-a-student-needs-to-adjust-the-real-world-dimensions-to-match-the-scale-of-the-model-if-the-actual-height-of-a-building-is-32-meters-and-the-scale-of-the-model-is-1100-what-will-the-height-of-the-model-be-in-millimetres-keeping-in-mind-the-prefixes-of-the-international-system-f40f1fdc</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-simple-pendulum-can-have-motion-described-by-simple-harmonic-motion-calculate-the-gravity-of-a-region-or-the-length-or-period-of-a-simple-pendulum/a-student-wants-to-find-out-the-acceleration-due-to-gravity-at-their-school-using-a-simple-pendulum-they-tie-a-mass-to-a-string-thats-075-meters-long-and-measure-the-time-taken-for-one-complete-swing-to-be-154-seconds-with-this-information-what-is-the-estimated-value-of-the-local-acceleration-due-to-gravity-af794126</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-and-differentiate-pitch-refers-to-the-frequency-of-the-wave-timbre-refers-to-the-quality-of-the-sound-and-volume-refers-to-the-amplitude-of-the-wave-of-a-sound-wave/while-recording-a-symphony-the-sound-engineer-notices-that-two-instruments-playing-the-same-notes-have-noticeably-different-sound-qualities-to-make-sure-that-each-instrument-stands-out-in-the-final-mix-its-crucial-to-grasp-the-factors-that-affect-the-timbre-of-the-sound-waves-produced-taking-into-account-the-overlapping-harmonic-frequencies-and-the-loudness-of-each-which-of-the-following-factors-plays-the-biggest-role-in-differentiating-the-timbre-between-the-two-instruments-17b4dbe8</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-and-differentiate-pitch-refers-to-the-frequency-of-the-wave-timbre-refers-to-the-quality-of-the-sound-and-volume-refers-to-the-amplitude-of-the-wave-of-a-sound-wave/while-recording-a-symphony-the-sound-engineer-notices-that-two-instruments-playing-the-same-notes-have-noticeably-different-sound-qualities-to-make-sure-that-each-instrument-stands-out-in-the-final-mix-its-crucial-to-grasp-the-factors-that-affect-the-timbre-of-the-sound-waves-produced-taking-into-account-the-overlapping-harmonic-frequencies-and-the-loudness-of-each-which-of-the-following-factors-plays-the-biggest-role-in-differentiating-the-timbre-between-the-two-instruments-17b4dbe8" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-in-simple-harmonic-motion-there-is-conservation-of-kinetic-energy-and-calculate-the-velocity-at-certain-points-or-the-deformation-of-the-spring/a-3-kg-mass-block-is-attached-to-a-spring-with-an-elastic-constant-of-120-nm-and-oscillates-in-simple-harmonic-motion-on-a-surface-thats-free-of-friction-given-that-the-total-mechanical-energy-of-the-system-is-270-j-and-the-block-is-moved-05-m-from-the-equilibrium-position-what-is-the-velocity-of-the-block-at-that-point-32883b32</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-centripetal-acceleration-acting-on-a-specific-body-knowing-that-the-centripetal-acceleration-is-equal-to-the-square-of-the-speed-divided-by-the-radius-of-the-path/a-car-is-taking-a-turn-on-a-circular-road-with-a-radius-of-120-metres-moving-at-a-constant-speed-of-36-kmh-since-centripetal-acceleration-is-crucial-for-keeping-the-car-on-its-circular-path-calculate-the-centripetal-acceleration-acting-on-the-vehicle-assume-p-314-and-present-your-answer-in-ms-rounded-to-two-decimal-places-958c6d82</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-gravitational-force-of-the-earth-as-a-function-of-the-earths-radius-calculate-the-gravity-of-other-planets-based-on-their-mass-and-radius-and-the-universal-constant/a-scientist-is-working-on-a-space-mission-and-needs-to-figure-out-the-gravitational-pull-that-will-act-on-the-ship-at-the-surface-of-a-mysterious-planet-this-planet-has-double-the-mass-of-earth-and-a-radius-15-times-greater-than-that-of-earth-using-the-universal-gravitational-constant-determine-how-the-gravitational-force-on-the-ship-compares-to-that-on-earth-d06b10eb</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-impulse-refers-to-the-change-in-momentum-of-an-object-when-a-force-is-applied-over-a-time-interval-and-calculate-it-by-the-product-of-the-force-and-the-application-time/a-70-kg-skateboarder-is-at-rest-and-applies-a-constant-force-of-20-n-for-3-seconds-while-pushing-his-skateboard-to-get-it-moving-what-is-the-impulse-given-by-the-applied-force-56b4152e</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-torque-of-a-force-is-a-measure-of-the-tendency-to-rotate-a-certain-body-and-calculate-it-using-the-formula-tf-x-d-x-sin-a/an-engineer-is-designing-a-wall-faucet-and-needs-to-work-out-the-torque-needed-to-rotate-the-lever-that-opens-it-the-lever-measures-075-meters-in-length-and-the-engineer-applies-a-force-of-60-n-at-an-angle-of-30-degrees-to-the-levers-direction-what-is-the-torque-applied-by-the-engineer-on-the-lever-d7f0bcb5</loc>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-capacitance-of-spherical-capacitors-using-the-inner-and-outer-radii-of-the-capacitor-and-the-medium-in-which-the-plate-was/a-company-is-working-on-a-sensor-that-utilises-a-spherical-capacitor-for-efficient-storage-of-electrical-charges-this-capacitor-consists-of-two-concentric-spheres-with-the-inner-sphere-having-a-radius-r1-and-the-outer-sphere-a-radius-r2-given-that-the-space-between-the-spheres-is-filled-with-an-insulating-material-that-has-a-dielectric-constant-e-what-is-the-capacitance-of-this-spherical-capacitor-5b0ad24c</loc>
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  </url>
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  </url>
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  </url>
  <url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-photoelectric-effect-is-a-phenomenon-observed-in-quantum-physics-where-electrons-are-emitted-from-materials-usually-metals-when-they-absorb-energy-from-light-photons/in-a-physics-lab-a-student-is-investigating-the-photoelectric-effect-by-shining-different-wavelengths-of-light-onto-a-metal-surface-he-notices-that-only-certain-wavelengths-of-light-can-free-electrons-from-the-metal-according-to-the-principles-of-the-photoelectric-effect-what-explains-why-only-particular-wavelengths-lead-to-the-release-of-electrons-ca6d4002</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/identify-the-main-elements-of-a-wave-propagation-speed-crest-trough-wavelength-etc/by-taking-a-good-look-at-the-ocean-waves-a-researcher-calculates-the-distance-between-two-adjacent-crests-and-the-time-it-takes-for-a-wave-to-cover-that-distance-what-core-aspect-of-waves-is-being-figured-out-through-these-measurements-ead0675b" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/relate-the-electric-field-generated-to-the-electric-force-calculate-the-electric-field-generated-by-a-specific-charge-verify-the-magnitude-direction-and-sense-of-an-electric-field/in-a-lab-two-point-charges-are-set-up-along-the-x-axis-charge-q-of-5-mc-is-positioned-at-x-0-while-charge-q-of-3-mc-is-at-x-4-meters-what-is-the-magnitude-and-direction-of-the-resulting-electric-field-at-point-p-located-3-meters-up-on-the-y-axis-right-in-line-with-the-midpoint-between-the-two-charges-3554a772</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/relate-the-electric-field-generated-to-the-electric-force-calculate-the-electric-field-generated-by-a-specific-charge-verify-the-magnitude-direction-and-sense-of-an-electric-field/in-a-lab-two-point-charges-are-set-up-along-the-x-axis-charge-q-of-5-mc-is-positioned-at-x-0-while-charge-q-of-3-mc-is-at-x-4-meters-what-is-the-magnitude-and-direction-of-the-resulting-electric-field-at-point-p-located-3-meters-up-on-the-y-axis-right-in-line-with-the-midpoint-between-the-two-charges-3554a772" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-principles-of-geometric-optics-such-as-straight-line-propagation-reversibility-and-independence-of-light-rays/in-a-physics-lab-two-flat-mirrors-are-positioned-at-a-60-degree-angle-to-one-another-a-beam-of-light-strikes-the-first-mirror-at-a-30-degree-angle-to-the-normal-using-the-principles-of-geometric-optics-particularly-the-linear-propagation-of-light-and-the-independence-of-light-rays-what-will-be-the-final-direction-of-the-light-beam-after-it-reflects-off-both-mirrors-ed7e44af</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-the-principles-of-geometric-optics-such-as-straight-line-propagation-reversibility-and-independence-of-light-rays/in-a-physics-lab-two-flat-mirrors-are-positioned-at-a-60-degree-angle-to-one-another-a-beam-of-light-strikes-the-first-mirror-at-a-30-degree-angle-to-the-normal-using-the-principles-of-geometric-optics-particularly-the-linear-propagation-of-light-and-the-independence-of-light-rays-what-will-be-the-final-direction-of-the-light-beam-after-it-reflects-off-both-mirrors-ed7e44af" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-pressure-is-the-normal-force-applied-on-a-surface-divided-by-the-area-and-calculate-the-pressure-of-a-gas-in-a-container/an-engineer-is-working-on-a-container-designed-to-hold-pressurized-gas-he-applies-a-normal-force-of-150-n-on-one-of-the-containers-internal-walls-which-has-an-area-of-05-m-given-that-the-pressure-from-the-gas-is-evenly-distributed-across-the-entire-internal-surface-what-is-the-pressure-of-the-gas-inside-the-container-1b27d0d9</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-pressure-is-the-normal-force-applied-on-a-surface-divided-by-the-area-and-calculate-the-pressure-of-a-gas-in-a-container/an-engineer-is-working-on-a-container-designed-to-hold-pressurized-gas-he-applies-a-normal-force-of-150-n-on-one-of-the-containers-internal-walls-which-has-an-area-of-05-m-given-that-the-pressure-from-the-gas-is-evenly-distributed-across-the-entire-internal-surface-what-is-the-pressure-of-the-gas-inside-the-container-1b27d0d9" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-critical-angle-of-incidence-that-a-light-beam-can-have-when-passing-from-a-medium-with-a-higher-index-to-one-with-a-lower-index-solve-critical-angle-problems-such-as-calculating-the-critical-angle-of-a-beam-exiting-water/during-an-underwater-expedition-a-researcher-shines-a-beam-of-light-to-keep-an-eye-on-the-boundary-between-water-and-air-to-prevent-total-internal-reflection-of-the-light-inside-the-water-he-must-figure-out-the-critical-angle-of-incidence-that-will-allow-the-light-to-move-from-the-water-to-the-air-above-given-that-the-refractive-index-of-water-is-133-and-for-air-it-is-100-what-critical-angle-should-the-researcher-use-452c0913</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-critical-angle-of-incidence-that-a-light-beam-can-have-when-passing-from-a-medium-with-a-higher-index-to-one-with-a-lower-index-solve-critical-angle-problems-such-as-calculating-the-critical-angle-of-a-beam-exiting-water/during-an-underwater-expedition-a-researcher-shines-a-beam-of-light-to-keep-an-eye-on-the-boundary-between-water-and-air-to-prevent-total-internal-reflection-of-the-light-inside-the-water-he-must-figure-out-the-critical-angle-of-incidence-that-will-allow-the-light-to-move-from-the-water-to-the-air-above-given-that-the-refractive-index-of-water-is-133-and-for-air-it-is-100-what-critical-angle-should-the-researcher-use-452c0913" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-aspects-of-the-special-theory-of-relativity-to-calculate-the-alteration-of-space-using-the-g-factor-the-lorentz-factor-which-is-based-on-the-relationship-between-the-speed-of-light-and-the-object/a-spacecraft-measures-150-meters-in-length-when-stationary-and-is-cruising-at-a-steady-speed-relative-to-earth-in-order-to-execute-a-safe-manoeuvre-its-crucial-that-the-length-of-the-spacecraft-as-observed-from-earth-does-not-exceed-100-meters-using-the-theory-of-special-relativity-what-is-the-highest-speed-the-spacecraft-can-reach-to-meet-this-requirement-53b6f1de</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/use-aspects-of-the-special-theory-of-relativity-to-calculate-the-alteration-of-space-using-the-g-factor-the-lorentz-factor-which-is-based-on-the-relationship-between-the-speed-of-light-and-the-object/a-spacecraft-measures-150-meters-in-length-when-stationary-and-is-cruising-at-a-steady-speed-relative-to-earth-in-order-to-execute-a-safe-manoeuvre-its-crucial-that-the-length-of-the-spacecraft-as-observed-from-earth-does-not-exceed-100-meters-using-the-theory-of-special-relativity-what-is-the-highest-speed-the-spacecraft-can-reach-to-meet-this-requirement-53b6f1de" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-hydrostatic-problems-involving-pressure-applied-on-a-surface-or-the-pressure-exerted-at-a-specific-point-in-a-fluid-or-the-buoyant-force-exerted-on-a-body-in-equilibrium/a-dam-holds-water-with-an-upstream-face-sloping-at-a-45-angle-to-the-horizontal-the-total-height-of-the-water-column-at-the-base-of-the-dam-measures-8-meters-and-the-water-density-is-1000-kgm-with-the-acceleration-due-to-gravity-being-981-ms-what-is-the-total-hydrostatic-force-that-the-water-exerts-on-the-upstream-face-of-the-dam-992b66ec</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-hydrostatic-problems-involving-pressure-applied-on-a-surface-or-the-pressure-exerted-at-a-specific-point-in-a-fluid-or-the-buoyant-force-exerted-on-a-body-in-equilibrium/a-dam-holds-water-with-an-upstream-face-sloping-at-a-45-angle-to-the-horizontal-the-total-height-of-the-water-column-at-the-base-of-the-dam-measures-8-meters-and-the-water-density-is-1000-kgm-with-the-acceleration-due-to-gravity-being-981-ms-what-is-the-total-hydrostatic-force-that-the-water-exerts-on-the-upstream-face-of-the-dam-992b66ec" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-simple-harmonic-motion-is-as-well-as-calculate-amplitude-velocity-and-acceleration-at-notable-points-and-the-period-of-shm-of-a-mass-spring-system/an-engineer-is-designing-the-suspension-system-of-a-vehicle-using-a-mass-spring-system-the-system-consists-of-a-spring-with-a-spring-constant-of-1800-nm-and-an-equivalent-mass-of-300-kg-from-the-vehicle-to-ensure-a-smooth-ride-for-the-passengers-the-engineer-aims-for-the-period-of-the-simple-harmonic-motion-of-the-system-to-be-around-2-seconds-based-on-these-requirements-determine-whether-the-chosen-spring-constant-is-suitable-or-if-it-requires-adjustment-if-it-does-need-adjustment-calculate-the-new-spring-constant-needed-to-meet-the-desired-period-3f2dd71d</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-simple-harmonic-motion-is-as-well-as-calculate-amplitude-velocity-and-acceleration-at-notable-points-and-the-period-of-shm-of-a-mass-spring-system/an-engineer-is-designing-the-suspension-system-of-a-vehicle-using-a-mass-spring-system-the-system-consists-of-a-spring-with-a-spring-constant-of-1800-nm-and-an-equivalent-mass-of-300-kg-from-the-vehicle-to-ensure-a-smooth-ride-for-the-passengers-the-engineer-aims-for-the-period-of-the-simple-harmonic-motion-of-the-system-to-be-around-2-seconds-based-on-these-requirements-determine-whether-the-chosen-spring-constant-is-suitable-or-if-it-requires-adjustment-if-it-does-need-adjustment-calculate-the-new-spring-constant-needed-to-meet-the-desired-period-3f2dd71d" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-the-weight-force-using-the-formula-tmgh-which-is-the-product-of-mass-gravity-and-the-change-in-height/a-worker-is-lifting-a-box-with-mass-m-from-the-ground-to-a-height-h-and-then-lowering-it-to-a-new-height-h-below-the-starting-point-since-the-only-force-doing-work-throughout-the-process-is-the-weight-force-and-the-acceleration-due-to-gravity-is-g-what-is-the-total-work-done-by-the-weight-force-on-the-box-during-the-entire-raising-and-lowering-process-7af92fe8</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-the-weight-force-using-the-formula-tmgh-which-is-the-product-of-mass-gravity-and-the-change-in-height/a-worker-is-lifting-a-box-with-mass-m-from-the-ground-to-a-height-h-and-then-lowering-it-to-a-new-height-h-below-the-starting-point-since-the-only-force-doing-work-throughout-the-process-is-the-weight-force-and-the-acceleration-due-to-gravity-is-g-what-is-the-total-work-done-by-the-weight-force-on-the-box-during-the-entire-raising-and-lowering-process-7af92fe8" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/write-a-wave-equation-that-can-describe-wave-motion-as-a-function-of-time-using-sinusoidal-functions-to-describe-that-motion/during-a-practical-in-a-physics-workshop-a-learner-observes-how-a-sinusoidal-wave-travels-along-a-string-the-wave-has-a-frequency-of-250-hz-and-a-speed-of-1500-ms-with-this-information-determine-the-equation-that-represents-the-waves-motion-as-a-function-of-time-and-position-utilising-sinusoidal-functions-45ce37f1</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/write-a-wave-equation-that-can-describe-wave-motion-as-a-function-of-time-using-sinusoidal-functions-to-describe-that-motion/during-a-practical-in-a-physics-workshop-a-learner-observes-how-a-sinusoidal-wave-travels-along-a-string-the-wave-has-a-frequency-of-250-hz-and-a-speed-of-1500-ms-with-this-information-determine-the-equation-that-represents-the-waves-motion-as-a-function-of-time-and-position-utilising-sinusoidal-functions-45ce37f1" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-the-maxima-and-minima-of-newtons-rings-or-use-it-to-calculate-wavelengths-or-thicknesses-of-bodies/a-researcher-is-using-newtons-interferometry-to-determine-the-wavelength-of-a-single-colour-light-source-while-fine-tuning-the-system-he-sees-that-the-10th-newtons-ring-has-a-radius-of-500-cm-when-the-gap-between-the-lenses-is-200-cm-given-that-the-refractive-index-of-the-medium-is-150-what-is-the-wavelength-of-the-light-used-in-the-experiment-d789d580</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/find-the-maxima-and-minima-of-newtons-rings-or-use-it-to-calculate-wavelengths-or-thicknesses-of-bodies/a-researcher-is-using-newtons-interferometry-to-determine-the-wavelength-of-a-single-colour-light-source-while-fine-tuning-the-system-he-sees-that-the-10th-newtons-ring-has-a-radius-of-500-cm-when-the-gap-between-the-lenses-is-200-cm-given-that-the-refractive-index-of-the-medium-is-150-what-is-the-wavelength-of-the-light-used-in-the-experiment-d789d580" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-stars-such-as-red-dwarfs-and-white-dwarfs-and-neutron-stars-understand-how-the-evolution-of-stars-modifies-them-and-the-types-of-stars-that-can-be-generated/in-the-study-of-how-stars-evolve-we-found-that-stars-of-different-masses-take-unique-paths-once-they-run-out-of-nuclear-fuel-lower-mass-stars-typically-end-up-as-white-dwarfs-while-those-with-much-higher-mass-collapse-under-their-own-gravity-given-this-what-is-the-key-factor-that-decides-if-a-star-will-become-a-neutron-star-rather-than-a-white-dwarf-091b6788</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-a-resultant-force-acting-on-a-given-object-and-calculate-its-work-by-the-product-of-the-distance-traveled-by-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/a-worker-is-pushing-a-box-with-a-force-of-50-n-at-an-angle-of-30-to-the-horizontal-the-box-travels-8-metres-in-the-horizontal-direction-if-we-only-consider-the-force-from-the-worker-what-is-the-work-done-during-this-displacement-ac4f1173</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/find-a-resultant-force-acting-on-a-given-object-and-calculate-its-work-by-the-product-of-the-distance-traveled-by-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/a-worker-is-pushing-a-box-with-a-force-of-50-n-at-an-angle-of-30-to-the-horizontal-the-box-travels-8-metres-in-the-horizontal-direction-if-we-only-consider-the-force-from-the-worker-what-is-the-work-done-during-this-displacement-ac4f1173" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-waves-are-and-differentiate-between-electromagnetic-waves-and-mechanical-waves/while-constructing-a-new-telecommunications-tower-along-the-coast-engineers-must-take-into-account-both-the-mechanical-waves-produced-by-the-tides-and-the-electromagnetic-waves-used-for-signal-transmission-its-important-to-note-that-mechanical-waves-need-a-physical-medium-for-their-travel-whereas-electromagnetic-waves-can-move-without-one-which-of-the-following-scenarios-accurately-illustrates-how-these-two-types-of-waves-interact-in-the-area-surrounding-the-tower-1e658ec8</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-waves-are-and-differentiate-between-electromagnetic-waves-and-mechanical-waves/while-constructing-a-new-telecommunications-tower-along-the-coast-engineers-must-take-into-account-both-the-mechanical-waves-produced-by-the-tides-and-the-electromagnetic-waves-used-for-signal-transmission-its-important-to-note-that-mechanical-waves-need-a-physical-medium-for-their-travel-whereas-electromagnetic-waves-can-move-without-one-which-of-the-following-scenarios-accurately-illustrates-how-these-two-types-of-waves-interact-in-the-area-surrounding-the-tower-1e658ec8" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-sound-intensity-is-a-measure-of-the-amount-of-energy-that-a-sound-wave-carries-per-unit-of-time-through-a-unit-area-and-calculate-it/an-acoustic-engineer-is-working-on-a-sound-system-for-a-stadium-he-knows-that-the-ideal-sound-intensity-near-the-source-should-be-100-wm-if-the-total-power-emitted-by-the-speakers-is-800-w-how-far-away-should-the-audience-be-positioned-for-the-sound-intensity-to-reach-100-wm-remember-that-sound-intensity-is-defined-as-power-per-unit-area-and-that-sound-spreads-out-uniformly-in-all-directions-442052ae</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-sound-intensity-is-a-measure-of-the-amount-of-energy-that-a-sound-wave-carries-per-unit-of-time-through-a-unit-area-and-calculate-it/an-acoustic-engineer-is-working-on-a-sound-system-for-a-stadium-he-knows-that-the-ideal-sound-intensity-near-the-source-should-be-100-wm-if-the-total-power-emitted-by-the-speakers-is-800-w-how-far-away-should-the-audience-be-positioned-for-the-sound-intensity-to-reach-100-wm-remember-that-sound-intensity-is-defined-as-power-per-unit-area-and-that-sound-spreads-out-uniformly-in-all-directions-442052ae" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-kinetic-energy-of-a-body-by-the-product-of-the-mass-times-the-square-of-the-bodys-velocity-divided-by-2-relating-its-variation-to-the-work-done/a-sports-person-weighing-70-kg-speeds-up-a-block-on-a-flat-frictionless-surface-increasing-its-speed-from-2-ms-to-8-ms-over-a-period-of-5-seconds-the-only-force-acting-on-the-block-is-from-the-athlete-calculate-the-change-in-kinetic-energy-of-the-block-and-the-work-done-by-the-athlete-during-this-activity-which-of-the-following-statements-accurately-represents-these-values-568101eb</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
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  </url>
  <url>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-the-main-existing-gaseous-transformations-calculate-volume-pressure-temperature-and-number-of-moles-in-gaseous-transformations/in-a-lab-experiment-a-student-compresses-200-mol-of-an-ideal-gas-that-was-initially-in-a-container-with-a-volume-of-800-l-at-a-pressure-of-150-atm-and-a-temperature-of-300-k-the-gas-goes-through-two-consecutive-processes-first-theres-an-isothermal-expansion-that-increases-the-volume-to-1200-l-then-an-isobaric-compression-reduces-the-volume-to-900-l-considering-the-ideal-gas-laws-what-is-the-final-temperature-of-the-gas-after-both-processes-d7cb5c6e" />
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-and-understand-elastic-potential-energy-and-work-to-solve-problems/a-physicist-conducts-a-study-on-the-work-done-when-compressing-a-spring-and-the-elastic-potential-energy-stored-he-gathers-data-showing-how-the-work-w-done-varies-linearly-with-the-displacement-x-of-the-spring-following-a-straight-line-function-from-the-graph-representing-this-relationship-what-insights-can-we-gain-from-the-intersections-with-the-x-and-y-axes-regarding-the-properties-of-the-spring-f33d1dab</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/use-and-understand-elastic-potential-energy-and-work-to-solve-problems/a-physicist-conducts-a-study-on-the-work-done-when-compressing-a-spring-and-the-elastic-potential-energy-stored-he-gathers-data-showing-how-the-work-w-done-varies-linearly-with-the-displacement-x-of-the-spring-following-a-straight-line-function-from-the-graph-representing-this-relationship-what-insights-can-we-gain-from-the-intersections-with-the-x-and-y-axes-regarding-the-properties-of-the-spring-f33d1dab" />
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/subtract-different-vectors-using-the-representation-of-vectors-in-the-cartesian-plane-such-as-2ij-i3j-or-by-the-geometric-representation-of-the-vectors/an-airplane-has-a-speed-relative-to-the-air-represented-by-the-vector-va-400i-150j-kmh-while-the-wind-speed-is-represented-by-the-vector-vw-100i-50j-kmh-to-find-the-actual-speed-of-the-airplane-as-it-moves-over-the-ground-we-need-to-look-at-the-difference-between-the-vectors-va-and-vw-a89e3973</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-and-understand-what-momentum-is-and-how-to-calculate-it-using-the-formula-qm-v-where-momentum-is-calculated-by-the-product-of-the-velocity-and-the-mass-of-the-body/a-cyclist-weighing-70-kg-is-cruising-at-a-steady-speed-of-5-ms-on-a-flat-road-assuming-theres-no-change-in-speed-what-is-the-cyclists-momentum-e3d308b0</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-aspects-of-the-special-theory-of-relativity-to-calculate-the-alteration-of-space-using-the-g-factor-the-lorentz-factor-which-is-based-on-the-relationship-between-the-speed-of-light-and-the-object/a-train-with-a-proper-length-of-300-metres-is-racing-along-at-08-times-the-speed-of-light-as-seen-from-the-station-according-to-the-theory-of-special-relativity-how-long-will-the-train-appear-to-the-crew-at-the-station-as-it-whizzes-past-5f51f5e9</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/use-aspects-of-the-special-theory-of-relativity-to-calculate-the-alteration-of-space-using-the-g-factor-the-lorentz-factor-which-is-based-on-the-relationship-between-the-speed-of-light-and-the-object/a-train-with-a-proper-length-of-300-metres-is-racing-along-at-08-times-the-speed-of-light-as-seen-from-the-station-according-to-the-theory-of-special-relativity-how-long-will-the-train-appear-to-the-crew-at-the-station-as-it-whizzes-past-5f51f5e9" />
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-and-indicate-the-lines-of-force-of-a-given-electric-field-in-a-region-such-as-the-field-lines-generated-by-a-point-charge-with-a-certain-charge-or-set-of-charges/in-an-experiment-involving-electric-fields-we-have-two-point-charges-of-equal-strength-but-opposite-polarity-fixed-at-a-distance-of-20-cm-apart-looking-at-the-field-lines-created-by-these-charges-how-do-we-properly-represent-their-distribution-in-the-area-surrounding-them-2c248c0a</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-and-indicate-the-lines-of-force-of-a-given-electric-field-in-a-region-such-as-the-field-lines-generated-by-a-point-charge-with-a-certain-charge-or-set-of-charges/in-an-experiment-involving-electric-fields-we-have-two-point-charges-of-equal-strength-but-opposite-polarity-fixed-at-a-distance-of-20-cm-apart-looking-at-the-field-lines-created-by-these-charges-how-do-we-properly-represent-their-distribution-in-the-area-surrounding-them-2c248c0a" />
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-buoyancy-of-a-body-and-understand-its-meaning-solve-problems-of-submerged-bodies-that-require-the-calculation-of-buoyancy/a-hollow-cylinder-with-a-height-of-200-meters-and-an-internal-diameter-of-050-meters-is-fully-submerged-in-a-lake-where-the-water-density-changes-linearly-with-depth-starting-at-1000-kgm-at-the-surface-and-increasing-to-1200-kgm-at-the-bottom-which-is-200-meters-deep-taking-into-account-the-varying-water-density-what-is-the-total-buoyancy-acting-on-the-cylinder-e72800da</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-open-and-closed-tubes-understand-vibration-in-tubes-such-as-in-the-stationary-regime-relating-the-wavelength-with-the-respective-harmonic-and-with-the-length-of-the-tube/a-music-teacher-is-tuning-two-sound-tubes-to-produce-specific-notes-the-first-tube-is-open-at-both-ends-while-the-second-is-closed-at-one-end-considering-how-vibrations-behave-in-a-stationary-state-which-statement-correctly-relates-the-length-of-the-closed-tube-to-the-wavelength-of-the-third-harmonic-it-produces-a9d7d486</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-field-generated-by-a-loop-solve-problems-that-require-the-calculation-of-magnetic-fields-generated-by-loops/a-physics-lab-is-doing-experiments-to-find-out-the-magnetic-field-created-by-a-circular-loop-using-a-loop-with-a-radius-r-through-which-an-electric-current-i-is-flowing-the-students-need-to-figure-out-the-strength-of-the-magnetic-field-at-the-centre-of-the-loop-what-is-the-correct-formula-for-this-intensity-c2daa434</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-field-generated-by-a-loop-solve-problems-that-require-the-calculation-of-magnetic-fields-generated-by-loops/a-physics-lab-is-doing-experiments-to-find-out-the-magnetic-field-created-by-a-circular-loop-using-a-loop-with-a-radius-r-through-which-an-electric-current-i-is-flowing-the-students-need-to-figure-out-the-strength-of-the-magnetic-field-at-the-centre-of-the-loop-what-is-the-correct-formula-for-this-intensity-c2daa434" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-open-and-closed-tubes-understand-vibration-in-tubes-such-as-in-the-stationary-regime-relating-the-wavelength-with-the-respective-harmonic-and-with-the-length-of-the-tube/during-a-musical-presentation-the-educator-utilises-two-identical-sound-tubes-one-open-at-both-ends-and-the-other-sealed-at-one-end-observing-the-vibrations-produced-he-notes-the-differences-in-the-frequencies-created-considering-the-steady-state-conditions-of-sound-waves-in-tubes-how-does-the-wavelength-compare-between-the-length-of-the-open-tube-and-the-closed-tube-cafde6ba</loc>
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    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-open-and-closed-tubes-understand-vibration-in-tubes-such-as-in-the-stationary-regime-relating-the-wavelength-with-the-respective-harmonic-and-with-the-length-of-the-tube/during-a-musical-presentation-the-educator-utilises-two-identical-sound-tubes-one-open-at-both-ends-and-the-other-sealed-at-one-end-observing-the-vibrations-produced-he-notes-the-differences-in-the-frequencies-created-considering-the-steady-state-conditions-of-sound-waves-in-tubes-how-does-the-wavelength-compare-between-the-length-of-the-open-tube-and-the-closed-tube-cafde6ba" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-magnetic-field-is-a-place-where-magnetic-forces-can-be-detected-represented-by-magnetic-field-lines-verify-which-bodies-interact-with-magnetic-fields-and-bodies-that-can-generate-a-magnetic-field-such-as-magnets/in-a-classroom-experiment-two-bar-magnets-are-set-up-so-that-their-similar-poles-are-close-together-causing-them-to-push-away-from-each-other-various-objects-made-from-different-materials-are-placed-around-the-magnets-considering-the-concept-of-magnetic-fields-and-their-characteristics-which-of-the-following-statements-best-explains-why-some-objects-are-attracted-to-the-magnets-while-others-arent-affected-at-all-aba7b67c</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-magnetic-field-is-a-place-where-magnetic-forces-can-be-detected-represented-by-magnetic-field-lines-verify-which-bodies-interact-with-magnetic-fields-and-bodies-that-can-generate-a-magnetic-field-such-as-magnets/in-a-classroom-experiment-two-bar-magnets-are-set-up-so-that-their-similar-poles-are-close-together-causing-them-to-push-away-from-each-other-various-objects-made-from-different-materials-are-placed-around-the-magnets-considering-the-concept-of-magnetic-fields-and-their-characteristics-which-of-the-following-statements-best-explains-why-some-objects-are-attracted-to-the-magnets-while-others-arent-affected-at-all-aba7b67c" />
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  <url>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-work-done-by-an-elastic-force-comes-from-hookes-law-and-calculate-the-work-of-the-elastic-force-using-the-formula-wkx2/an-architect-is-working-on-a-prototype-for-a-building-that-incorporates-damping-systems-using-elastic-springs-to-absorb-seismic-shocks-to-test-how-effective-these-systems-are-he-compresses-a-spring-with-a-spring-constant-of-250-nm-by-010-meters-what-is-the-work-done-by-the-elastic-force-while-compressing-the-spring-0cb6c1c8" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/recognize-the-main-electrical-measuring-devices-such-as-the-ammeter-and-voltmeter-as-well-as-differentiate-between-real-and-ideal-devices-solve-measurement-problems-of-a-voltmeter-or-ammeter/in-an-electrical-circuit-with-a-12-v-power-source-and-a-4-w-resistor-an-ammeter-with-an-internal-resistance-of-02-w-and-a-voltmeter-with-an-internal-resistance-of-10-kw-are-connected-to-measure-the-current-through-the-resistor-and-the-voltage-across-its-terminals-respectively-taking-into-account-the-characteristics-of-real-instruments-what-will-be-the-correct-reading-of-the-ammeter-in-this-setup-12017e0a</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
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    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-power-generated-by-the-joule-effect-in-a-resistor-or-a-circuit-and-solve-problems-that-require-this-calculation-such-as-the-time-needed-for-a-resistor-to-heat-a-certain-amount-of-water/an-electric-heater-with-a-resistance-of-20-w-is-used-to-heat-2-litres-of-water-raising-its-temperature-from-20c-to-100c-the-heater-is-plugged-into-a-220-v-electrical-supply-assuming-that-all-the-power-used-in-the-resistance-turns-into-heat-in-the-water-and-knowing-that-the-specific-heat-capacity-of-water-is-418-jgc-how-long-will-it-take-to-heat-the-water-c11c8f70" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/perform-calculations-regarding-the-movements-of-objects-on-earth-in-the-solar-system-and-in-the-universe-based-on-the-analysis-of-gravitational-interactions/an-aerospace-engineer-is-looking-into-the-stability-of-two-space-probes-orbiting-the-earth-at-different-heights-probe-a-is-at-an-altitude-of-300-km-while-probe-b-is-at-600-km-if-we-only-consider-the-gravitational-force-exerted-by-the-earth-how-do-the-gravitational-forces-on-probe-a-and-probe-b-stack-up-against-each-other-590f2793</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/perform-calculations-regarding-the-movements-of-objects-on-earth-in-the-solar-system-and-in-the-universe-based-on-the-analysis-of-gravitational-interactions/an-aerospace-engineer-is-looking-into-the-stability-of-two-space-probes-orbiting-the-earth-at-different-heights-probe-a-is-at-an-altitude-of-300-km-while-probe-b-is-at-600-km-if-we-only-consider-the-gravitational-force-exerted-by-the-earth-how-do-the-gravitational-forces-on-probe-a-and-probe-b-stack-up-against-each-other-590f2793" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-calculation-of-equivalent-resistances-which-may-be-in-series-parallel-or-in-cases-where-the-resistances-are-arranged-symmetrically/in-a-physics-lab-three-resistors-of-12-w-24-w-and-36-w-are-connected-in-a-mixed-setup-where-the-12-w-and-24-w-resistors-are-hooked-up-in-series-and-this-combo-is-in-parallel-with-the-36-w-resistor-calculate-the-equivalent-resistance-of-this-arrangement-2d684161</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-calculation-of-equivalent-resistances-which-may-be-in-series-parallel-or-in-cases-where-the-resistances-are-arranged-symmetrically/in-a-physics-lab-three-resistors-of-12-w-24-w-and-36-w-are-connected-in-a-mixed-setup-where-the-12-w-and-24-w-resistors-are-hooked-up-in-series-and-this-combo-is-in-parallel-with-the-36-w-resistor-calculate-the-equivalent-resistance-of-this-arrangement-2d684161" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-rotation-of-a-mirror-knowing-that-the-ray-exiting-the-mirror-rotates-twice-as-much-as-the-incident-angle-rotated/in-a-physics-class-a-plane-mirror-is-set-up-so-that-it-can-be-rotated-around-its-vertical-axis-at-first-a-ray-of-light-hits-the-mirror-making-an-angle-of-20-with-the-normal-after-the-mirror-is-turned-the-angle-of-the-reflected-ray-with-respect-to-the-original-direction-of-the-incident-ray-is-60-what-was-the-angle-through-which-the-mirror-was-rotated-76f150f8</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-rotation-of-a-mirror-knowing-that-the-ray-exiting-the-mirror-rotates-twice-as-much-as-the-incident-angle-rotated/in-a-physics-class-a-plane-mirror-is-set-up-so-that-it-can-be-rotated-around-its-vertical-axis-at-first-a-ray-of-light-hits-the-mirror-making-an-angle-of-20-with-the-normal-after-the-mirror-is-turned-the-angle-of-the-reflected-ray-with-respect-to-the-original-direction-of-the-incident-ray-is-60-what-was-the-angle-through-which-the-mirror-was-rotated-76f150f8" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-average-speed-of-an-object-in-uniformly-accelerated-motion-based-on-the-initial-and-final-speeds-such-as-for-an-object-with-an-initial-speed-of-2-ms-and-8-ms-its-average-speed-is-5-ms/a-cyclist-starts-a-race-at-a-speed-of-2-ms-and-after-covering-a-certain-distance-accelerates-smoothly-until-reaching-a-final-speed-of-8-ms-considering-the-uniform-acceleration-what-is-the-average-speed-of-the-cyclist-during-this-acceleration-phase-f68b6221</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-average-speed-of-an-object-in-uniformly-accelerated-motion-based-on-the-initial-and-final-speeds-such-as-for-an-object-with-an-initial-speed-of-2-ms-and-8-ms-its-average-speed-is-5-ms/a-cyclist-starts-a-race-at-a-speed-of-2-ms-and-after-covering-a-certain-distance-accelerates-smoothly-until-reaching-a-final-speed-of-8-ms-considering-the-uniform-acceleration-what-is-the-average-speed-of-the-cyclist-during-this-acceleration-phase-f68b6221" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-the-main-types-of-lenses-such-as-converging-or-diverging-verifying-their-properties-and-characteristics/in-an-optical-lens-factory-the-engineer-in-charge-is-designing-a-lighting-system-that-utilizes-two-types-of-lenses-to-effectively-channel-the-light-the-first-lens-needs-to-focus-the-parallel-rays-of-light-coming-from-a-distant-source-while-the-second-lens-must-spread-the-light-to-cover-a-broader-area-considering-the-properties-of-converging-and-diverging-lenses-what-is-the-right-combination-of-lens-types-that-the-engineer-ought-to-use-in-the-system-e59918e2</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/differentiate-the-main-types-of-lenses-such-as-converging-or-diverging-verifying-their-properties-and-characteristics/in-an-optical-lens-factory-the-engineer-in-charge-is-designing-a-lighting-system-that-utilizes-two-types-of-lenses-to-effectively-channel-the-light-the-first-lens-needs-to-focus-the-parallel-rays-of-light-coming-from-a-distant-source-while-the-second-lens-must-spread-the-light-to-cover-a-broader-area-considering-the-properties-of-converging-and-diverging-lenses-what-is-the-right-combination-of-lens-types-that-the-engineer-ought-to-use-in-the-system-e59918e2" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-how-the-solar-system-works-its-main-components-understand-the-interactions-between-the-main-components-of-the-solar-system/an-astronomer-is-tracking-the-path-of-an-asteroid-thats-making-a-close-flyby-of-jupiter-its-noted-that-the-asteroids-trajectory-changes-quite-a-bit-because-of-this-close-encounter-considering-the-dynamics-of-our-solar-system-and-the-interplay-of-its-celestial-bodies-what-factor-is-causing-this-deviation-in-the-asteroids-path-0d778de6</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-how-the-solar-system-works-its-main-components-understand-the-interactions-between-the-main-components-of-the-solar-system/an-astronomer-is-tracking-the-path-of-an-asteroid-thats-making-a-close-flyby-of-jupiter-its-noted-that-the-asteroids-trajectory-changes-quite-a-bit-because-of-this-close-encounter-considering-the-dynamics-of-our-solar-system-and-the-interplay-of-its-celestial-bodies-what-factor-is-causing-this-deviation-in-the-asteroids-path-0d778de6" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-capacitance-of-parallel-plate-capacitors-using-the-plate-area-the-distance-between-plates-and-the-medium-in-which-the-plate-was-located/in-a-physics-lab-learners-are-constructing-a-parallel-plate-capacitor-with-an-area-of-040-m-and-a-separation-of-001-m-immersed-in-a-dielectric-with-a-permittivity-of-885-10-fm-to-maximize-charge-storage-without-changing-the-design-of-the-plates-they-opt-to-add-a-second-layer-of-the-same-dielectric-between-the-plates-calculate-the-total-capacitance-of-the-capacitor-after-including-the-second-dielectric-layer-2d755118</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-capacitance-of-parallel-plate-capacitors-using-the-plate-area-the-distance-between-plates-and-the-medium-in-which-the-plate-was-located/in-a-physics-lab-learners-are-constructing-a-parallel-plate-capacitor-with-an-area-of-040-m-and-a-separation-of-001-m-immersed-in-a-dielectric-with-a-permittivity-of-885-10-fm-to-maximize-charge-storage-without-changing-the-design-of-the-plates-they-opt-to-add-a-second-layer-of-the-same-dielectric-between-the-plates-calculate-the-total-capacitance-of-the-capacitor-after-including-the-second-dielectric-layer-2d755118" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-thermal-machines-verifying-whether-it-is-possible-or-not-calculate-the-heat-generated-or-the-efficiency-of-notable-cycles-and-thermal-machines/a-power-company-is-working-on-a-thermal-engine-designed-to-operate-between-a-heat-source-at-700-k-and-a-cold-reservoir-at-400-k-according-to-thermodynamic-principles-what-is-the-maximum-theoretical-efficiency-that-this-engine-can-achieve-9d9e7877</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-thermal-machines-verifying-whether-it-is-possible-or-not-calculate-the-heat-generated-or-the-efficiency-of-notable-cycles-and-thermal-machines/a-power-company-is-working-on-a-thermal-engine-designed-to-operate-between-a-heat-source-at-700-k-and-a-cold-reservoir-at-400-k-according-to-thermodynamic-principles-what-is-the-maximum-theoretical-efficiency-that-this-engine-can-achieve-9d9e7877" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-torque-of-a-force-is-a-measure-of-the-tendency-to-rotate-a-certain-body-and-calculate-it-using-the-formula-tf-x-d-x-sin-a/an-engineer-is-designing-a-seesaw-for-a-playground-the-seesaw-measures-4-metres-in-total-and-is-perfectly-balanced-when-a-30-kg-child-sits-1-metre-from-the-pivot-to-keep-the-seesaw-in-balance-how-far-should-a-second-child-weighing-40-kg-sit-from-the-pivot-consider-the-acceleration-due-to-gravity-as-98-ms-and-ignore-the-weight-of-the-seesaw-itself-use-the-torque-relation-t-f-d-sin-a-where-a-is-the-angle-between-the-applied-force-and-the-lever-eb0d7c55</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-torque-of-a-force-is-a-measure-of-the-tendency-to-rotate-a-certain-body-and-calculate-it-using-the-formula-tf-x-d-x-sin-a/an-engineer-is-designing-a-seesaw-for-a-playground-the-seesaw-measures-4-metres-in-total-and-is-perfectly-balanced-when-a-30-kg-child-sits-1-metre-from-the-pivot-to-keep-the-seesaw-in-balance-how-far-should-a-second-child-weighing-40-kg-sit-from-the-pivot-consider-the-acceleration-due-to-gravity-as-98-ms-and-ignore-the-weight-of-the-seesaw-itself-use-the-torque-relation-t-f-d-sin-a-where-a-is-the-angle-between-the-applied-force-and-the-lever-eb0d7c55" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-use-of-ohms-first-law-which-states-that-the-current-passing-through-a-conductor-between-two-points-is-directly-proportional-to-the-voltage-across-the-two-points/in-an-electrical-workshop-a-technician-is-setting-up-a-new-circuit-to-power-various-tools-he-connects-a-47-w-resistor-to-a-9-v-power-supply-using-ohms-first-law-what-is-the-current-that-will-flow-through-the-circuit-0bfedd03</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-use-of-ohms-first-law-which-states-that-the-current-passing-through-a-conductor-between-two-points-is-directly-proportional-to-the-voltage-across-the-two-points/in-an-electrical-workshop-a-technician-is-setting-up-a-new-circuit-to-power-various-tools-he-connects-a-47-w-resistor-to-a-9-v-power-supply-using-ohms-first-law-what-is-the-current-that-will-flow-through-the-circuit-0bfedd03" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-and-dimension-an-unknown-magnitude-or-constant-based-on-the-relationships-of-a-formula-and-the-dimension-of-known-magnitudes-such-as-speed-having-dimension-1-of-length-and-1-of-time/while-working-on-a-new-propulsion-system-the-engineers-suggest-that-the-force-f-is-linked-to-the-mass-m-of-the-vehicle-the-velocity-v-and-the-time-t-through-the-equation-f-k-m-va-tb-where-k-is-an-unknown-constant-given-that-the-force-f-has-dimensions-m-l-t-2-mass-m-m-velocity-v-l-t-1-and-time-t-t-use-dimensional-analysis-to-figure-out-the-values-of-a-and-b-that-ensure-the-equation-makes-sense-dimensionally-as-well-as-the-dimension-of-the-constant-k-fcec3c84</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/find-and-dimension-an-unknown-magnitude-or-constant-based-on-the-relationships-of-a-formula-and-the-dimension-of-known-magnitudes-such-as-speed-having-dimension-1-of-length-and-1-of-time/while-working-on-a-new-propulsion-system-the-engineers-suggest-that-the-force-f-is-linked-to-the-mass-m-of-the-vehicle-the-velocity-v-and-the-time-t-through-the-equation-f-k-m-va-tb-where-k-is-an-unknown-constant-given-that-the-force-f-has-dimensions-m-l-t-2-mass-m-m-velocity-v-l-t-1-and-time-t-t-use-dimensional-analysis-to-figure-out-the-values-of-a-and-b-that-ensure-the-equation-makes-sense-dimensionally-as-well-as-the-dimension-of-the-constant-k-fcec3c84" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-main-graphs-of-uniformly-accelerated-motion-such-as-the-graph-between-velocity-and-position-is-a-line-use-and-solve-problems-involving-graphs-of-uniformly-accelerated-motion/a-car-takes-off-from-a-standstill-and-speeds-up-with-a-steady-changing-acceleration-for-the-first-20-seconds-reaching-a-specific-speed-it-then-holds-that-speed-for-an-additional-30-seconds-before-coming-to-a-stop-a-physicist-reviews-the-motion-graphs-of-this-car-and-notes-that-the-velocity-versus-position-graph-is-a-straight-line-while-its-speeding-up-based-on-this-observation-which-of-the-following-conclusions-best-explains-how-the-car-behaves-during-its-acceleration-0423565a</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-the-main-graphs-of-uniformly-accelerated-motion-such-as-the-graph-between-velocity-and-position-is-a-line-use-and-solve-problems-involving-graphs-of-uniformly-accelerated-motion/a-car-takes-off-from-a-standstill-and-speeds-up-with-a-steady-changing-acceleration-for-the-first-20-seconds-reaching-a-specific-speed-it-then-holds-that-speed-for-an-additional-30-seconds-before-coming-to-a-stop-a-physicist-reviews-the-motion-graphs-of-this-car-and-notes-that-the-velocity-versus-position-graph-is-a-straight-line-while-its-speeding-up-based-on-this-observation-which-of-the-following-conclusions-best-explains-how-the-car-behaves-during-its-acceleration-0423565a" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-reference-frame-is-a-system-that-can-be-used-to-describe-the-motion-of-a-system-which-can-be-moving-or-at-rest-find-the-position-of-an-object-in-a-given-reference-system/a-train-is-travelling-at-a-steady-speed-of-90-kmh-to-the-north-from-a-fixed-point-at-the-station-inside-the-train-a-passenger-walks-at-5-kmh-to-the-east-in-relation-to-the-train-meanwhile-a-cyclist-is-pedalling-at-20-kmh-to-the-west-relative-to-the-fixed-point-at-the-station-what-will-be-the-relative-position-between-the-passenger-and-the-cyclist-after-1-hour-a64bc099</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-reference-frame-is-a-system-that-can-be-used-to-describe-the-motion-of-a-system-which-can-be-moving-or-at-rest-find-the-position-of-an-object-in-a-given-reference-system/a-train-is-travelling-at-a-steady-speed-of-90-kmh-to-the-north-from-a-fixed-point-at-the-station-inside-the-train-a-passenger-walks-at-5-kmh-to-the-east-in-relation-to-the-train-meanwhile-a-cyclist-is-pedalling-at-20-kmh-to-the-west-relative-to-the-fixed-point-at-the-station-what-will-be-the-relative-position-between-the-passenger-and-the-cyclist-after-1-hour-a64bc099" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understanding-what-a-magnet-is-it-is-an-object-that-produces-a-magnetic-field-around-it-this-magnetic-field-is-invisible-but-it-is-responsible-for-the-force-that-attracts-ferromagnetic-objects-and-has-a-north-and-a-south-pole/two-bar-magnets-each-15-cm-long-are-laid-out-parallel-to-one-another-on-a-table-with-their-north-poles-spaced-30-cm-apart-a-third-magnet-which-has-the-same-magnetic-strength-is-gently-moved-along-the-line-connecting-the-two-main-magnets-taking-into-account-the-interactions-of-the-magnetic-fields-at-play-where-along-this-line-will-the-third-magnet-find-a-point-of-stable-equilibrium-c2792dff</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understanding-what-a-magnet-is-it-is-an-object-that-produces-a-magnetic-field-around-it-this-magnetic-field-is-invisible-but-it-is-responsible-for-the-force-that-attracts-ferromagnetic-objects-and-has-a-north-and-a-south-pole/two-bar-magnets-each-15-cm-long-are-laid-out-parallel-to-one-another-on-a-table-with-their-north-poles-spaced-30-cm-apart-a-third-magnet-which-has-the-same-magnetic-strength-is-gently-moved-along-the-line-connecting-the-two-main-magnets-taking-into-account-the-interactions-of-the-magnetic-fields-at-play-where-along-this-line-will-the-third-magnet-find-a-point-of-stable-equilibrium-c2792dff" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-in-simple-harmonic-motion-there-is-conservation-of-kinetic-energy-and-calculate-the-velocity-at-certain-points-or-the-deformation-of-the-spring/a-3-kg-block-is-attached-to-a-spring-with-a-spring-constant-of-150-nm-and-oscillates-horizontally-without-friction-with-an-amplitude-of-02-metres-using-the-principles-of-simple-harmonic-motion-and-the-conservation-of-mechanical-energy-what-is-the-velocity-of-the-block-as-it-moves-through-the-equilibrium-position-334576aa</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-in-simple-harmonic-motion-there-is-conservation-of-kinetic-energy-and-calculate-the-velocity-at-certain-points-or-the-deformation-of-the-spring/a-3-kg-block-is-attached-to-a-spring-with-a-spring-constant-of-150-nm-and-oscillates-horizontally-without-friction-with-an-amplitude-of-02-metres-using-the-principles-of-simple-harmonic-motion-and-the-conservation-of-mechanical-energy-what-is-the-velocity-of-the-block-as-it-moves-through-the-equilibrium-position-334576aa" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-and-calculate-the-main-forces-acting-in-curvilinear-motion-understand-centripetal-force-and-solve-problems-involving-the-use-of-these-forces/a-vehicle-weighing-800-kg-makes-a-circular-turn-with-a-radius-of-50-meters-while-travelling-at-a-constant-speed-of-20-ms-given-that-the-only-horizontal-force-acting-on-the-car-is-the-frictional-force-that-keeps-it-moving-in-a-circle-what-is-the-magnitude-of-the-centripetal-force-acting-on-the-vehicle-31c75511</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/find-and-calculate-the-main-forces-acting-in-curvilinear-motion-understand-centripetal-force-and-solve-problems-involving-the-use-of-these-forces/a-vehicle-weighing-800-kg-makes-a-circular-turn-with-a-radius-of-50-meters-while-travelling-at-a-constant-speed-of-20-ms-given-that-the-only-horizontal-force-acting-on-the-car-is-the-frictional-force-that-keeps-it-moving-in-a-circle-what-is-the-magnitude-of-the-centripetal-force-acting-on-the-vehicle-31c75511" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-the-weight-force-using-the-formula-tmgh-which-is-the-product-of-mass-gravity-and-the-change-in-height/while-building-a-structure-a-worker-has-to-move-concrete-blocks-from-ground-level-up-to-a-lookout-point-that-sits-15-metres-high-each-block-weighs-250-kg-given-that-the-force-of-gravity-is-consistent-at-981-ms-and-without-considering-any-other-forces-calculate-the-work-done-by-the-weight-force-while-lifting-a-block-specifically-what-work-is-done-by-the-weight-force-when-hoisting-a-concrete-block-to-the-lookout-point-8442e213</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-the-weight-force-using-the-formula-tmgh-which-is-the-product-of-mass-gravity-and-the-change-in-height/while-building-a-structure-a-worker-has-to-move-concrete-blocks-from-ground-level-up-to-a-lookout-point-that-sits-15-metres-high-each-block-weighs-250-kg-given-that-the-force-of-gravity-is-consistent-at-981-ms-and-without-considering-any-other-forces-calculate-the-work-done-by-the-weight-force-while-lifting-a-block-specifically-what-work-is-done-by-the-weight-force-when-hoisting-a-concrete-block-to-the-lookout-point-8442e213" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/based-on-the-wave-assumption-calculate-the-troughs-crests-or-the-resulting-amplitude-of-a-wave-superposition/in-a-transmitting-antenna-two-electromagnetic-waves-with-the-same-frequency-are-emitted-at-the-same-time-the-first-wave-is-expressed-as-y1t-400-coswt-p6-and-the-second-as-y2t-300-coswt-p3-when-we-consider-the-superposition-of-these-waves-what-is-the-amplitude-of-the-wave-that-results-040a7cd4</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/recognize-the-main-graphs-of-uniform-rectilinear-motion-use-the-graphs-of-uniform-motion-to-solve-uniform-motion-issues/a-transport-company-keeps-track-of-its-buses-as-they-move-along-a-set-route-recording-their-positions-at-different-times-and-creating-movement-graphs-when-analysing-two-different-graphs-the-manager-observes-that-one-shows-a-straight-line-with-a-constant-slope-while-the-other-displays-fluctuations-in-slope-over-time-based-on-these-graphs-what-conclusion-can-the-manager-draw-about-the-type-of-movement-of-the-buses-in-each-scenario-5b1dd72d</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-main-laws-of-kepler-are-solve-problems-involving-the-use-of-keplers-laws-such-as-recognizing-the-orbits-of-planets-calculating-radius-distance-and-oscillation-period/astronomers-have-discovered-two-planets-orbiting-the-same-star-the-first-planet-takes-150-earth-days-to-complete-an-orbit-while-the-second-one-takes-365-days-based-on-keplers-laws-what-can-we-say-about-the-relationship-between-the-average-radii-of-these-planets-orbits-365f8475</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-collision-problems-of-bodies-in-two-or-more-dimensions-using-the-coefficient-of-restitution-for-this-purpose/in-a-two-dimensional-collision-experiment-a-block-with-mass-m-150-kg-is-travelling-at-a-speed-of-v-500-ms-in-the-northeast-direction-while-another-block-with-mass-m-250-kg-is-initially-stationary-after-the-collision-block-m-moves-straight-north-with-a-speed-v-given-that-the-collision-has-a-coefficient-of-restitution-e-07-what-is-the-speed-v-of-block-m-right-after-the-collision-9f79fc85</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-in-simple-harmonic-motion-there-is-conservation-of-kinetic-energy-and-calculate-the-velocity-at-certain-points-or-the-deformation-of-the-spring/a-2-kg-block-is-attached-to-a-spring-with-a-spring-constant-of-150-nm-and-oscillates-horizontally-in-a-frictionless-environment-when-the-spring-is-compressed-03-metres-away-from-the-equilibrium-point-what-is-the-maximum-velocity-reached-by-the-block-during-simple-harmonic-motion-131cd396</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-centripetal-acceleration-of-a-body-undergoing-circular-motion-using-the-formula-where-centripetal-acceleration-equals-the-magnitude-of-velocity-squared-divided-by-the-radius/at-an-amusement-park-theres-a-ferris-wheel-with-a-radius-of-30-meters-that-completes-a-full-rotation-every-20-seconds-to-keep-passengers-safe-engineers-need-to-calculate-the-centripetal-acceleration-experienced-by-each-seat-as-it-moves-what-is-the-centripetal-acceleration-for-the-ferris-wheel-seats-55dc90c3</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-magnetic-field-is-a-place-where-magnetic-forces-can-be-detected-represented-by-magnetic-field-lines-verify-which-bodies-interact-with-magnetic-fields-and-bodies-that-can-generate-a-magnetic-field-such-as-magnets/an-engineer-is-working-on-a-speaker-that-operates-through-the-interaction-between-a-magnetic-field-and-an-electric-current-to-get-the-best-performance-out-of-the-device-its-essential-to-grasp-how-the-magnetic-field-lines-are-arranged-around-the-magnets-being-used-given-this-context-which-of-the-following-options-best-describes-how-the-magnetic-field-lines-are-represented-around-a-bar-magnet-9571c637</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-the-main-types-of-electrification-such-as-by-contact-induction-and-friction-know-how-to-recognize-between-two-bodies-which-one-after-the-electrification-process-will-be-negative-and-which-will-be-positive/a-learner-rubs-a-plastic-rod-with-wool-and-then-brings-the-rod-close-to-small-bits-of-paper-from-this-procedure-what-type-of-charging-took-place-and-which-of-the-objects-gained-a-negative-charge-177b5321</loc>
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  <url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/relate-kinetic-energy-to-the-work-done-by-a-force-solve-problems-using-work-and-kinetic-energy-to-calculate-forces-displacements-or-velocities/a-car-weighing-1000-kg-is-at-rest-on-an-inclined-slope-at-30-relative-to-the-horizontal-the-driver-accelerates-the-car-until-it-reaches-a-speed-of-20-ms-at-the-bottom-of-the-slope-assuming-all-the-energy-provided-by-the-engine-has-been-transformed-into-kinetic-energy-and-the-work-done-against-the-force-of-gravity-during-the-descent-what-is-the-total-work-done-by-the-driver-bca96ae7</loc>
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  </url>
  <url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-simple-harmonic-motion-is-a-movement-in-which-the-acceleration-of-an-object-is-directly-proportional-yet-opposite-in-direction-to-the-objects-displacement-verify-whether-a-body-is-in-shm-or-not/a-learner-attaches-a-weight-to-a-spring-pulls-it-to-stretch-and-then-lets-it-go-noticing-that-the-weights-acceleration-always-changes-in-a-manner-that-is-proportional-and-opposite-to-its-distance-from-the-resting-position-based-on-this-observation-how-can-the-movement-of-the-weight-be-defined-d1456a46</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-electric-current-in-a-given-conductor-using-the-ratio-of-the-amount-of-charges-that-pass-through-the-conductor-divided-by-the-time/in-a-lab-experiment-a-metal-wire-carries-30-x-1021-electrons-through-a-resistor-over-a-time-period-of-45-seconds-given-that-the-elementary-charge-of-an-electron-is-160-x-10-19-c-what-is-the-electric-current-flowing-through-the-resistor-a7dcd6c0</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-electric-current-in-a-given-conductor-using-the-ratio-of-the-amount-of-charges-that-pass-through-the-conductor-divided-by-the-time/in-a-lab-experiment-a-metal-wire-carries-30-x-1021-electrons-through-a-resistor-over-a-time-period-of-45-seconds-given-that-the-elementary-charge-of-an-electron-is-160-x-10-19-c-what-is-the-electric-current-flowing-through-the-resistor-a7dcd6c0" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-speed-of-a-wave-as-a-function-of-the-material-of-the-string-in-which-it-propagates/during-a-physics-lesson-the-teacher-showcased-how-waves-travel-through-two-strings-made-from-different-materials-while-keeping-the-tension-constant-in-both-he-noted-that-the-waves-moved-at-different-speeds-along-each-string-based-on-this-observation-which-of-the-following-options-correctly-illustrates-the-relationship-between-the-speed-of-the-waves-and-the-properties-of-the-materials-used-for-the-strings-9793482b</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-speed-of-a-wave-as-a-function-of-the-material-of-the-string-in-which-it-propagates/during-a-physics-lesson-the-teacher-showcased-how-waves-travel-through-two-strings-made-from-different-materials-while-keeping-the-tension-constant-in-both-he-noted-that-the-waves-moved-at-different-speeds-along-each-string-based-on-this-observation-which-of-the-following-options-correctly-illustrates-the-relationship-between-the-speed-of-the-waves-and-the-properties-of-the-materials-used-for-the-strings-9793482b" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-work-and-solve-problems-that-require-the-calculation-of-non-conservative-forces-such-as-friction-relating-them-to-the-change-in-kinetic-energy/a-vehicle-with-mass-m-is-travelling-at-an-initial-speed-v-on-a-level-road-with-a-coefficient-of-kinetic-friction-m-when-the-brakes-are-applied-the-vehicle-slows-down-until-it-comes-to-a-halt-after-covering-a-distance-s-given-that-the-only-non-conservative-force-acting-is-friction-calculate-the-change-in-the-vehicles-kinetic-energy-in-this-scenario-8fafe87a</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-tools-such-as-graphs-to-calculate-the-work-of-a-force-using-the-idea-that-the-area-on-a-force-by-displacement-graph-is-numerically-equal-to-the-work-generated-by-the-force/while-moving-a-piece-of-furniture-the-force-applied-by-a-worker-gradually-increases-from-5-n-to-25-n-over-a-distance-of-10-meters-given-that-the-area-under-the-force-vs-displacement-graph-indicates-the-work-done-what-is-the-total-work-completed-by-the-worker-to-shift-the-furniture-across-this-distance-1fb1545a</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/relate-kinetic-energy-to-the-work-done-by-a-force-solve-problems-using-work-and-kinetic-energy-to-calculate-forces-displacements-or-velocities/a-worker-operates-a-forklift-to-transport-a-200-kg-load-horizontally-for-a-distance-of-15-meters-at-a-steady-speed-given-that-theres-no-friction-and-that-all-the-applied-force-contributes-to-the-work-done-what-is-the-kinetic-energy-gained-by-the-load-at-the-end-of-the-journey-c8b0734b</loc>
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  </url>
  <url>
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  </url>
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  <url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/study-the-movement-of-fluids-bernoullis-principle-states-that-in-an-ideal-flow-the-pressure-decreases-when-the-fluid-velocity-increases-and-vice-versa-keeping-the-total-energy-constant/a-local-engineer-is-designing-an-irrigation-system-using-a-horizontal-pipe-that-splits-into-two-branches-of-varying-diameters-at-the-split-the-main-pipe-has-water-flowing-at-a-speed-of-4-ms-with-a-pressure-of-150-kpa-the-first-branch-which-has-a-smaller-diameter-increases-the-waters-speed-to-6-ms-while-the-second-wider-branch-results-in-a-speed-of-3-ms-assuming-the-water-is-incompressible-and-theres-no-energy-loss-due-to-friction-what-is-the-pressure-difference-between-the-two-branches-based-on-bernoullis-principle-10f14df8</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-reference-frame-is-a-system-that-can-be-used-to-describe-the-motion-of-a-system-which-can-be-moving-or-at-rest-find-the-position-of-an-object-in-a-given-reference-system/a-train-is-chugging-along-at-a-steady-pace-of-80-kmh-relative-to-the-tracks-at-time-t-0-a-window-of-the-train-passes-by-a-tree-thats-standing-still-alongside-the-railway-using-the-reference-frames-of-the-ground-and-the-train-lets-figure-out-the-position-of-the-tree-in-relation-to-the-train-and-the-ground-after-15-minutes-of-travel-16f7a63a</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-a-resultant-force-acting-on-a-given-object-and-calculate-its-work-by-the-product-of-the-distance-traveled-by-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/a-block-is-being-influenced-by-two-forces-at-the-same-time-one-force-of-150-n-pushing-horizontally-to-the-right-and-another-force-of-200-n-pushing-to-the-left-at-a-45-degree-angle-from-the-horizontal-the-block-travels-30-metres-in-the-horizontal-direction-if-we-only-consider-the-horizontal-components-of-the-forces-what-is-the-total-force-acting-on-the-block-and-how-much-work-is-done-by-this-total-force-during-the-movement-54ebde01</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-pressure-is-the-ratio-of-a-perpendicular-force-to-a-surface-divided-by-its-area-calculate-the-pressure-generated-on-a-body-or-surface-understand-what-atmospheric-pressure-is/an-engineer-is-working-on-designing-a-hydraulic-braking-system-for-a-large-vehicle-he-understands-that-the-force-applied-on-the-pedal-needs-to-be-efficiently-transferred-to-the-brake-pads-to-ensure-a-swift-and-safe-response-given-that-the-area-of-the-piston-at-the-pedal-is-002-m-and-the-area-of-the-piston-at-the-brake-pads-is-0005-m-what-force-needs-to-be-applied-to-the-pedal-to-achieve-a-braking-force-of-8000-n-at-the-pads-06ec8e30</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-the-general-gas-equation-to-calculate-pressure-volume-temperature-and-number-of-moles-of-a-given-ideal-gas/a-standard-gas-cylinder-holds-200-mol-of-oxygen-at-a-temperature-of-300-k-and-has-a-volume-of-500-l-if-we-raise-the-gas-temperature-to-450-k-while-keeping-the-number-of-moles-the-same-what-will-be-the-new-pressure-in-the-cylinder-6215c530</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-gravitational-force-of-the-earth-as-a-function-of-the-earths-radius-calculate-the-gravity-of-other-planets-based-on-their-mass-and-radius-and-the-universal-constant/an-aerospace-engineer-is-working-on-a-mission-to-various-planets-in-our-solar-system-and-needs-to-determine-the-gravitational-force-that-each-planet-has-on-a-particular-charge-using-the-formula-for-gravitational-force-f-g-m-m-r-where-g-stands-for-the-universal-constant-m-is-the-planets-mass-r-is-its-radius-and-m-is-the-mass-of-the-charge-how-does-the-gravitational-force-that-mars-exerts-on-the-charge-compare-to-that-of-earth-given-that-mars-mass-is-roughly-0107-times-that-of-earth-and-its-radius-is-about-0532-times-that-of-earth-b9f59e51</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/identify-the-main-forces-acting-on-a-body-such-as-weight-normal-elastic-force-tension-and-friction-indicating-their-directions-and-senses/a-20-kg-block-is-resting-on-a-flat-surface-a-force-of-100-n-is-applied-at-an-angle-of-25-to-the-horizontal-considering-the-forces-of-weight-normal-elastic-tension-and-friction-which-of-these-forces-act-vertically-d1432741</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-expansion-of-bodies-specifically-the-linear-expansion-of-an-object-such-as-the-expansion-of-an-iron-bar/on-a-scorching-summer-day-a-steel-railway-line-at-a-station-passes-through-an-unsupported-section-allowing-the-rail-to-expand-thinking-about-linear-expansion-what-happens-to-the-length-of-this-rail-as-the-temperature-goes-up-1bad2011</loc>
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  </url>
  <url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-main-laws-of-kepler-are-solve-problems-involving-the-use-of-keplers-laws-such-as-recognizing-the-orbits-of-planets-calculating-radius-distance-and-oscillation-period/in-a-fascinating-astronomical-study-scientists-are-examining-the-orbits-of-two-planets-that-circle-a-star-akin-to-our-sun-planet-a-has-an-average-distance-of-5-astronomical-units-au-and-takes-11-earth-years-to-complete-one-orbit-based-on-keplers-laws-calculate-the-orbital-period-of-planet-b-which-is-situated-27-au-away-from-the-same-star-baf68f88</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-photoelectric-effect-is-a-phenomenon-observed-in-quantum-physics-where-electrons-are-emitted-from-materials-usually-metals-when-they-absorb-energy-from-light-photons/in-a-research-lab-a-researcher-uses-a-device-based-on-the-photoelectric-effect-to-explore-the-properties-of-a-particular-metal-by-shining-light-of-various-frequencies-onto-the-metallic-surface-he-notices-that-electrons-are-only-released-when-the-frequency-of-the-light-surpasses-a-specific-minimum-value-additionally-the-maximum-kinetic-energy-of-the-released-electrons-increases-in-direct-proportion-to-the-rise-in-the-frequency-of-the-incident-light-based-on-these-findings-which-of-the-following-statements-accurately-describes-the-relationship-between-the-light-frequency-and-the-kinetic-energy-of-the-emitted-electrons-as-per-the-photoelectric-effect-4dd2ca01</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-photoelectric-effect-is-a-phenomenon-observed-in-quantum-physics-where-electrons-are-emitted-from-materials-usually-metals-when-they-absorb-energy-from-light-photons/in-a-research-lab-a-researcher-uses-a-device-based-on-the-photoelectric-effect-to-explore-the-properties-of-a-particular-metal-by-shining-light-of-various-frequencies-onto-the-metallic-surface-he-notices-that-electrons-are-only-released-when-the-frequency-of-the-light-surpasses-a-specific-minimum-value-additionally-the-maximum-kinetic-energy-of-the-released-electrons-increases-in-direct-proportion-to-the-rise-in-the-frequency-of-the-incident-light-based-on-these-findings-which-of-the-following-statements-accurately-describes-the-relationship-between-the-light-frequency-and-the-kinetic-energy-of-the-emitted-electrons-as-per-the-photoelectric-effect-4dd2ca01" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-photoelectric-effect-is-a-phenomenon-observed-in-quantum-physics-where-electrons-are-emitted-from-materials-usually-metals-when-they-absorb-energy-from-light-photons/the-photoelectric-effect-is-crucial-for-how-photovoltaic-cells-in-solar-panels-work-when-light-hits-the-metallic-surface-of-the-panel-electrons-are-released-due-to-the-absorption-of-photons-which-of-the-following-statements-accurately-describes-the-connection-between-the-frequency-of-the-incoming-light-and-the-kinetic-energy-of-the-emitted-electrons-e025d81a</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-photoelectric-effect-is-a-phenomenon-observed-in-quantum-physics-where-electrons-are-emitted-from-materials-usually-metals-when-they-absorb-energy-from-light-photons/the-photoelectric-effect-is-crucial-for-how-photovoltaic-cells-in-solar-panels-work-when-light-hits-the-metallic-surface-of-the-panel-electrons-are-released-due-to-the-absorption-of-photons-which-of-the-following-statements-accurately-describes-the-connection-between-the-frequency-of-the-incoming-light-and-the-kinetic-energy-of-the-emitted-electrons-e025d81a" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-uniformly-accelerated-motion-is-calculate-initial-velocity-final-velocity-acceleration-position-change-or-travel-time-of-an-object-moving-with-constant-acceleration/a-train-starts-from-a-standstill-and-accelerates-steadily-along-a-straight-track-after-120-seconds-of-moving-its-speed-reaches-36-ms-given-that-the-acceleration-is-consistent-throughout-the-journey-what-was-the-trains-acceleration-and-how-far-did-it-travel-during-this-time-e7c67410</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-buoyancy-of-a-body-and-understand-its-meaning-solve-problems-of-submerged-bodies-that-require-the-calculation-of-buoyancy/an-engineer-is-assessing-the-stability-of-a-floating-platform-designed-for-offshore-wind-turbines-the-platform-has-a-total-volume-of-800-m-and-is-constructed-from-a-material-with-a-density-of-900-kgm-it-floats-on-seawater-which-has-a-density-of-1025-kgm-with-the-installation-of-extra-equipment-the-platforms-total-mass-increases-by-5000-kg-calculate-the-new-buoyant-force-acting-on-the-platform-and-determine-if-it-will-still-float-with-the-extra-load-5500eb84</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-order-of-magnitude-is-estimate-the-order-of-magnitude-of-a-certain-magnitude-such-as-the-number-of-steps-taken-in-a-marathon/in-a-marathon-runners-complete-a-distance-of-42195-kilometers-given-that-the-average-length-of-a-human-step-is-roughly-075-meters-what-is-the-order-of-magnitude-of-the-total-number-of-steps-a-runner-takes-to-finish-the-marathon-5ddecd30</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-gravitational-force-of-the-earth-as-a-function-of-the-earths-radius-calculate-the-gravity-of-other-planets-based-on-their-mass-and-radius-and-the-universal-constant/a-scientist-is-examining-the-gravitational-force-that-the-earth-exerts-compared-to-an-unknown-planet-for-which-he-has-data-on-mass-and-radius-its-known-that-the-mass-of-this-unknown-planet-is-25-times-that-of-the-earth-and-its-radius-is-18-times-that-of-the-earth-using-the-universal-law-of-gravitation-f-g-m-m-r-determine-how-the-gravitational-force-on-the-surface-of-this-planet-compares-to-that-of-earth-which-of-the-following-options-correctly-illustrates-this-relationship-0cb523d8</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-instantaneous-acceleration-is-and-how-to-calculate-it-for-a-moving-object-starting-from-the-equation-of-its-trajectory-such-as-if-the-position-as-a-function-of-time-is-p10t-5t-the-acceleration-is-10-ms/a-car-starts-from-a-standstill-and-its-position-over-time-is-represented-by-the-equation-pt-4t-3t-where-p-is-measured-in-meters-and-t-is-time-in-seconds-given-this-path-what-is-the-instantaneous-acceleration-of-the-car-at-t-5-seconds-c245f3d9</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-coefficient-of-restitution-is-its-meaning-and-the-different-types-of-collision-use-the-coefficient-of-restitution-to-calculate-velocity-values-before-or-after-collisions/in-this-experiment-we-observe-two-spheres-of-different-masses-colliding-on-a-horizontal-surface-that-is-free-of-friction-sphere-a-weighing-3-kg-is-initially-moving-at-8-ms-towards-the-east-while-sphere-b-with-a-mass-of-2-kg-is-stationary-following-the-collision-sphere-a-bounces-back-with-a-speed-of-3-ms-using-the-concept-of-the-coefficient-of-restitution-calculate-the-speed-of-sphere-b-after-the-collision-and-identify-the-type-of-collision-that-took-place-4a64a11e</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-heat-flow-is-the-rate-at-which-heat-passes-through-a-certain-section-over-a-certain-period-of-time-calculate-the-heat-flow-that-flows-through-a-certain-body/a-house-features-an-external-wall-made-up-of-two-unique-layers-the-first-layer-measures-012-m-in-thickness-with-a-thermal-conductivity-of-06-wmk-while-the-second-layer-is-008-m-thick-and-has-a-thermal-conductivity-of-03-wmk-given-a-temperature-difference-of-18c-between-the-inside-and-outside-of-the-house-and-a-wall-area-of-15-m-what-is-the-heat-flow-passing-through-the-wall-in-these-circumstances-5f7ed739</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-heat-flow-is-the-rate-at-which-heat-passes-through-a-certain-section-over-a-certain-period-of-time-calculate-the-heat-flow-that-flows-through-a-certain-body/a-house-features-an-external-wall-made-up-of-two-unique-layers-the-first-layer-measures-012-m-in-thickness-with-a-thermal-conductivity-of-06-wmk-while-the-second-layer-is-008-m-thick-and-has-a-thermal-conductivity-of-03-wmk-given-a-temperature-difference-of-18c-between-the-inside-and-outside-of-the-house-and-a-wall-area-of-15-m-what-is-the-heat-flow-passing-through-the-wall-in-these-circumstances-5f7ed739" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-in-uniform-motion-the-speed-does-not-change-use-average-speed-to-calculate-position-or-time-for-displacements-such-as-the-time-needed-for-a-mobile-to-move-a-certain-distance/a-car-drives-along-a-straight-road-at-a-steady-speed-of-80-kmh-two-hours-after-the-car-sets-off-a-truck-departs-from-the-same-spot-in-the-same-direction-moving-at-a-steady-speed-of-100-kmh-considering-the-uniform-motion-of-both-vehicles-after-how-long-measured-from-the-trucks-departure-will-the-truck-be-40-km-ahead-of-the-car-cca1650e</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-in-uniform-motion-the-speed-does-not-change-use-average-speed-to-calculate-position-or-time-for-displacements-such-as-the-time-needed-for-a-mobile-to-move-a-certain-distance/a-car-drives-along-a-straight-road-at-a-steady-speed-of-80-kmh-two-hours-after-the-car-sets-off-a-truck-departs-from-the-same-spot-in-the-same-direction-moving-at-a-steady-speed-of-100-kmh-considering-the-uniform-motion-of-both-vehicles-after-how-long-measured-from-the-trucks-departure-will-the-truck-be-40-km-ahead-of-the-car-cca1650e" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-capacitance-of-spherical-capacitors-using-the-inner-and-outer-radii-of-the-capacitor-and-the-medium-in-which-the-plate-was/an-electronics-company-is-working-on-high-precision-sensors-that-incorporate-spherical-capacitors-to-manage-the-flow-of-electric-currents-in-sensitive-circuits-each-spherical-capacitor-comprises-an-inner-sphere-with-a-radius-r1-and-a-concentric-outer-sphere-with-a-radius-r2-separated-by-a-dielectric-material-that-has-a-permittivity-e-for-a-spherical-capacitor-with-an-inner-radius-of-300-cm-and-an-outer-radius-of-900-cm-where-the-dielectric-material-has-a-permittivity-of-450-x-10-11-fm-calculate-the-capacitance-of-this-capacitor-furthermore-assess-how-the-capacitance-would-change-if-the-outer-radius-were-increased-to-1200-cm-while-keeping-the-inner-radius-and-the-dielectric-constant-constant-3feb0e29</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-capacitance-of-spherical-capacitors-using-the-inner-and-outer-radii-of-the-capacitor-and-the-medium-in-which-the-plate-was/an-electronics-company-is-working-on-high-precision-sensors-that-incorporate-spherical-capacitors-to-manage-the-flow-of-electric-currents-in-sensitive-circuits-each-spherical-capacitor-comprises-an-inner-sphere-with-a-radius-r1-and-a-concentric-outer-sphere-with-a-radius-r2-separated-by-a-dielectric-material-that-has-a-permittivity-e-for-a-spherical-capacitor-with-an-inner-radius-of-300-cm-and-an-outer-radius-of-900-cm-where-the-dielectric-material-has-a-permittivity-of-450-x-10-11-fm-calculate-the-capacitance-of-this-capacitor-furthermore-assess-how-the-capacitance-would-change-if-the-outer-radius-were-increased-to-1200-cm-while-keeping-the-inner-radius-and-the-dielectric-constant-constant-3feb0e29" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-simple-pendulum-can-have-motion-described-by-simple-harmonic-motion-calculate-the-gravity-of-a-region-or-the-length-or-period-of-a-simple-pendulum/a-researcher-is-carrying-out-an-experiment-with-a-simple-pendulum-to-find-the-acceleration-due-to-gravity-in-an-unknown-area-the-pendulum-has-a-length-of-12-metres-and-takes-245-seconds-to-finish-a-complete-cycle-of-swinging-given-this-information-what-is-the-estimated-value-of-the-acceleration-due-to-gravity-in-this-area-c8db6595</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/decompose-vectors-into-perpendicular-coordinates-using-basic-trigonometry-such-as-sine-and-cosine/in-an-amusement-park-theres-a-carousel-held-steady-by-two-ropes-the-first-rope-angled-30-above-the-horizontal-applies-a-force-of-400-n-while-the-second-rope-at-an-angle-of-60-above-the-horizontal-needs-its-force-calculated-what-is-the-force-in-the-second-rope-needed-to-maintain-the-carousels-balance-ce2b7d05</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/decompose-vectors-into-perpendicular-coordinates-using-basic-trigonometry-such-as-sine-and-cosine/in-an-amusement-park-theres-a-carousel-held-steady-by-two-ropes-the-first-rope-angled-30-above-the-horizontal-applies-a-force-of-400-n-while-the-second-rope-at-an-angle-of-60-above-the-horizontal-needs-its-force-calculated-what-is-the-force-in-the-second-rope-needed-to-maintain-the-carousels-balance-ce2b7d05" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-black-hole-is-how-it-works-what-its-origins-are-understand-where-it-might-be-in-the-universe-and-its-characteristics/astronomers-are-studying-distant-galaxies-where-the-light-from-nearby-stars-seems-to-completely-vanish-with-no-signs-of-return-this-strange-occurrence-points-to-the-presence-of-objects-with-incredibly-strong-gravitational-fields-that-trap-any-form-of-radiation-which-of-the-following-options-best-describes-the-key-feature-of-a-black-hole-e9f04b94</loc>
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    <changefreq>monthly</changefreq>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-calculation-of-the-escape-velocity-of-planets-such-as-the-necessary-speed-for-a-body-to-leave-earth-and-not-return/an-aerospace-company-is-gearing-up-to-launch-satellites-that-need-to-break-free-from-earths-gravitational-grip-and-get-into-an-interplanetary-orbit-without-any-extra-propulsion-to-accomplish-this-its-crucial-to-figure-out-the-escape-velocity-required-for-the-satellites-to-move-far-beyond-the-pull-of-earths-gravity-given-that-earths-mass-is-597-10-kg-and-its-average-radius-is-637-10-meters-what-speed-does-the-probe-need-to-hit-to-achieve-escape-velocity-305b775a</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-calculation-of-the-escape-velocity-of-planets-such-as-the-necessary-speed-for-a-body-to-leave-earth-and-not-return/an-aerospace-company-is-gearing-up-to-launch-satellites-that-need-to-break-free-from-earths-gravitational-grip-and-get-into-an-interplanetary-orbit-without-any-extra-propulsion-to-accomplish-this-its-crucial-to-figure-out-the-escape-velocity-required-for-the-satellites-to-move-far-beyond-the-pull-of-earths-gravity-given-that-earths-mass-is-597-10-kg-and-its-average-radius-is-637-10-meters-what-speed-does-the-probe-need-to-hit-to-achieve-escape-velocity-305b775a" />
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-centripetal-acceleration-of-a-body-undergoing-circular-motion-using-the-formula-where-centripetal-acceleration-equals-the-magnitude-of-velocity-squared-divided-by-the-radius/a-motorcyclist-is-riding-on-a-circular-athletics-track-with-a-radius-of-50-meters-the-motorcycle-maintains-a-constant-speed-of-15-ms-during-its-uniform-circular-motion-what-is-the-centripetal-acceleration-of-the-motorcyclist-5773c39e</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-the-weight-force-using-the-formula-tmgh-which-is-the-product-of-mass-gravity-and-the-change-in-height/a-person-is-moving-a-box-weighing-20-kg-from-the-ground-to-a-shelf-that-is-250-meters-high-first-they-carry-the-box-horizontally-for-300-meters-to-get-to-the-shelfs-base-and-then-lift-it-straight-up-to-the-required-height-taking-into-account-the-acceleration-due-to-gravity-as-980-ms-what-is-the-work-done-by-gravity-throughout-this-whole-process-a535da0f</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-electric-potential-energy-is-and-use-that-to-solve-problems-such-as-calculating-the-speed-of-a-certain-charge-that-was-initially-placed-at-rest-and-moved-from-the-initial-position/an-electron-starts-off-at-rest-in-an-area-where-the-electric-potential-energy-measures-450-x-10-18-j-upon-being-released-the-electron-travels-to-a-space-where-the-electric-potential-energy-is-zero-considering-that-there-are-no-frictional-forces-acting-on-the-electron-what-will-its-speed-be-when-it-reaches-the-new-position-34bb0031</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-bodies-in-orbits-of-other-planets-such-as-celestial-bodies-orbiting-the-sun-application-of-keplers-laws-or-calculation-of-escape-velocities-from-planets/for-a-satellite-to-maintain-a-stable-orbit-around-a-planet-its-crucial-to-figure-out-the-right-orbital-speed-taking-into-account-the-planets-mass-and-the-orbits-distance-lets-say-were-launching-a-space-probe-to-orbit-jupiter-at-a-distance-of-1-million-kilometres-from-its-core-using-keplers-laws-and-newtons-law-of-universal-gravitation-which-of-the-following-adjustments-would-lead-to-a-higher-speed-needed-to-keep-the-probe-in-a-stable-orbit-at-that-distance-f5182459</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/relate-harmonic-motion-with-circular-motion-and-use-that-to-calculate-speeds-and-deformations/a-block-of-mass-m-is-attached-to-a-spring-with-an-elastic-constant-k-and-undergoes-simple-harmonic-motion-with-an-amplitude-a-this-motion-can-be-thought-of-as-the-projection-of-uniform-circular-motion-with-a-radius-a-whats-the-relationship-between-the-angular-velocity-of-the-uniform-circular-motion-ucm-and-the-angular-frequency-of-the-simple-harmonic-motion-shm-b75c5f1a</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-main-optical-instruments-are-calculate-the-distances-and-focal-lengths-of-the-main-optical-instruments/at-a-science-fair-students-are-comparing-different-optical-instruments-for-their-presentations-a-telescope-and-a-microscope-the-telescope-has-a-focal-length-of-2000-mm-and-the-microscope-has-a-focal-length-of-160-mm-given-the-characteristics-of-these-instruments-which-one-provides-better-magnification-when-using-the-same-eyepiece-focal-length-623f0a22</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-resistance-and-resistivity-of-materials-are-differentiating-between-them-calculate-the-electrical-resistance-through-resistivity-length-and-cross-sectional-area-of-the-conductor/in-an-electrical-installation-project-a-technician-needs-to-figure-out-the-resistance-of-a-copper-wire-being-used-since-the-wire-is-300-meters-long-has-a-cross-sectional-area-of-050-mm-and-a-resistivity-of-16810-wm-what-would-be-the-electrical-resistance-of-the-wire-b6e73106</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-the-gaussian-equation-to-calculate-the-distance-between-images-and-lenses-as-well-as-their-sizes/in-a-lab-experiment-a-student-uses-a-converging-lens-with-a-focal-length-of-2500-cm-to-project-the-image-of-an-object-thats-placed-5000-cm-away-from-the-lens-using-the-gauss-equation-work-out-the-distance-of-the-image-formed-by-the-lens-and-the-size-of-the-image-given-that-the-height-of-the-object-is-800-cm-e7f8ed4c</loc>
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  </url>
  <url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-the-gaussian-equation-to-calculate-the-distance-between-images-and-lenses-as-well-as-their-sizes/an-engineer-is-designing-a-lighting-system-that-employs-a-converging-lens-with-a-focal-length-of-20-cm-to-focus-light-on-a-specific-point-if-the-light-source-is-positioned-50-cm-away-from-the-lens-use-the-gaussian-equation-to-determine-the-distance-of-the-image-formed-and-calculate-the-images-magnification-keeping-in-mind-that-the-source-has-a-height-of-4-cm-9aed81d2</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-collision-problems-of-bodies-in-two-or-more-dimensions-using-the-coefficient-of-restitution-for-this-purpose/in-a-lab-experiment-two-balls-with-different-masses-are-launched-at-angles-and-collide-on-a-smooth-surface-when-considering-the-conservation-of-momentum-and-the-coefficient-of-restitution-which-of-the-following-statements-best-describes-how-the-velocities-of-the-balls-behave-after-the-impact-20d2ef14</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-collision-problems-of-bodies-in-two-or-more-dimensions-using-the-coefficient-of-restitution-for-this-purpose/in-a-lab-experiment-two-balls-with-different-masses-are-launched-at-angles-and-collide-on-a-smooth-surface-when-considering-the-conservation-of-momentum-and-the-coefficient-of-restitution-which-of-the-following-statements-best-describes-how-the-velocities-of-the-balls-behave-after-the-impact-20d2ef14" />
  </url>
  <url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-sensible-heat-solve-problems-involving-heat-exchanges-and-temperature-changes-such-as-when-mixing-two-masses-of-water-at-different-temperatures/in-a-lab-a-student-mixes-250-g-of-water-at-60c-with-500-g-of-water-at-25c-in-an-insulated-calorimeter-assuming-theres-no-heat-loss-to-the-surroundings-what-will-the-final-temperature-of-the-mixture-be-79289afe</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-calculation-of-the-capacitance-of-capacitors-that-are-in-series-using-that-the-inverse-of-the-equivalent-capacitance-is-the-sum-of-the-inverses-of-the-capacitances/an-engineer-is-working-on-a-circuit-for-a-sensor-that-needs-capacitors-to-reduce-electrical-noise-he-connects-three-capacitors-of-4-mf-6-mf-and-12-mf-in-series-to-get-the-equivalent-capacitance-he-requires-the-equivalent-capacitance-in-series-is-calculated-using-the-reciprocal-of-the-sum-of-the-reciprocals-of-the-individual-capacitances-what-is-the-equivalent-capacitance-of-this-setup-e89a4169</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-calculation-of-the-capacitance-of-capacitors-that-are-in-series-using-that-the-inverse-of-the-equivalent-capacitance-is-the-sum-of-the-inverses-of-the-capacitances/an-engineer-is-working-on-a-circuit-for-a-sensor-that-needs-capacitors-to-reduce-electrical-noise-he-connects-three-capacitors-of-4-mf-6-mf-and-12-mf-in-series-to-get-the-equivalent-capacitance-he-requires-the-equivalent-capacitance-in-series-is-calculated-using-the-reciprocal-of-the-sum-of-the-reciprocals-of-the-individual-capacitances-what-is-the-equivalent-capacitance-of-this-setup-e89a4169" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/analyze-stellar-evolution-by-associating-it-with-models-of-origin-and-distribution-of-chemical-elements-in-the-universe-understanding-their-relationships-with-the-conditions-necessary-for-the-emergence-of-solar-systems/as-stars-evolve-they-produce-and-scatter-various-chemical-elements-into-space-which-play-a-pivotal-role-in-the-formation-of-new-solar-systems-elements-like-carbon-and-oxygen-are-essential-for-the-make-up-of-planets-and-the-potential-for-life-examining-the-stellar-nucleosynthesis-models-at-which-stages-of-stellar-evolution-are-these-elements-primarily-formed-and-released-into-the-interstellar-medium-as-they-contribute-to-the-necessary-conditions-for-new-solar-systems-to-come-into-being-4debd342</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/analyze-stellar-evolution-by-associating-it-with-models-of-origin-and-distribution-of-chemical-elements-in-the-universe-understanding-their-relationships-with-the-conditions-necessary-for-the-emergence-of-solar-systems/as-stars-evolve-they-produce-and-scatter-various-chemical-elements-into-space-which-play-a-pivotal-role-in-the-formation-of-new-solar-systems-elements-like-carbon-and-oxygen-are-essential-for-the-make-up-of-planets-and-the-potential-for-life-examining-the-stellar-nucleosynthesis-models-at-which-stages-of-stellar-evolution-are-these-elements-primarily-formed-and-released-into-the-interstellar-medium-as-they-contribute-to-the-necessary-conditions-for-new-solar-systems-to-come-into-being-4debd342" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-mechanical-energy-and-verify-when-it-is-conserved-or-not-solve-problems-involving-the-conservation-of-mechanical-energy-such-as-a-block-sliding-down-a-ramp/a-block-with-a-mass-of-250-kg-is-let-go-from-rest-at-the-top-of-a-ramp-thats-inclined-at-30-with-a-total-length-of-100-metres-ignoring-friction-and-air-resistance-and-using-the-principle-of-conservation-of-mechanical-energy-what-will-be-the-speed-of-the-block-when-it-reaches-the-bottom-of-the-ramp-fae80d76</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-mechanical-energy-and-verify-when-it-is-conserved-or-not-solve-problems-involving-the-conservation-of-mechanical-energy-such-as-a-block-sliding-down-a-ramp/a-block-with-a-mass-of-250-kg-is-let-go-from-rest-at-the-top-of-a-ramp-thats-inclined-at-30-with-a-total-length-of-100-metres-ignoring-friction-and-air-resistance-and-using-the-principle-of-conservation-of-mechanical-energy-what-will-be-the-speed-of-the-block-when-it-reaches-the-bottom-of-the-ramp-fae80d76" />
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-electric-current-in-a-given-conductor-using-the-ratio-of-the-amount-of-charges-that-pass-through-the-conductor-divided-by-the-time/in-an-industrial-production-setting-three-distinct-electrical-conductors-are-used-to-power-specific-machinery-the-first-conductor-carries-841012-electric-charges-in-7-seconds-the-second-conductor-moves-601012-charges-in-5-seconds-and-the-third-conductor-transmits-961012-charges-in-12-seconds-considering-the-connection-between-the-quantity-of-charges-and-time-which-of-the-conductors-has-the-highest-electric-current-intensity-and-what-does-this-mean-for-the-selection-of-conductor-materials-for-the-factorys-electrical-setup-e8546084</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-and-understand-elastic-potential-energy-and-work-to-solve-problems/a-student-measures-the-force-needed-to-compress-a-spring-at-various-displacements-he-notices-that-the-relationship-between-the-force-f-and-the-displacement-x-can-be-illustrated-by-a-linear-function-in-the-cartesian-plane-what-does-the-slope-of-this-line-signify-in-relation-to-the-potential-elastic-energy-of-the-spring-9f895ceb</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-entropy-of-the-universe-is-always-increasing-calculate-the-entropy-change-of-processes-such-as-state-change-or-isothermal-processes-verify-the-increase-or-decrease-of-entropy-in-a-system/a-closed-system-consists-of-two-compartments-that-hold-different-amounts-of-ideal-gas-at-varying-temperatures-when-these-compartments-are-linked-the-gases-mix-until-they-achieve-thermal-equilibrium-considering-the-principles-of-thermodynamics-which-option-best-describes-the-change-in-entropy-during-this-process-d483f754</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-photoelectric-effect-is-a-phenomenon-observed-in-quantum-physics-where-electrons-are-emitted-from-materials-usually-metals-when-they-absorb-energy-from-light-photons/a-scientist-is-running-an-experiment-where-various-frequencies-of-light-are-directed-onto-a-metal-surface-to-observe-the-release-of-electrons-based-on-the-photoelectric-effect-which-of-the-following-statements-best-explains-the-connection-between-the-frequency-of-the-light-used-and-the-kinetic-energy-of-the-released-electrons-d9a407ca</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-fields-generated-by-solenoids-solve-problems-that-require-the-calculation-of-magnetic-fields-generated-by-solenoids/in-an-automated-production-line-a-solenoid-is-used-to-operate-movement-mechanisms-the-solenoid-has-400-turns-a-total-length-of-020-meters-and-carries-a-current-of-300-a-what-is-the-strength-of-the-magnetic-field-generated-inside-this-solenoid-03e22706</loc>
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  </url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-centripetal-acceleration-of-a-body-undergoing-circular-motion-using-the-formula-where-centripetal-acceleration-equals-the-magnitude-of-velocity-squared-divided-by-the-radius/a-cyclist-is-completing-a-lap-on-a-circular-track-with-a-radius-of-30-metres-maintaining-a-steady-speed-of-12-metres-per-second-to-stay-on-this-path-the-cyclist-requires-centripetal-acceleration-directed-towards-the-centre-of-the-curve-what-is-the-centripetal-acceleration-of-the-cyclist-during-uniform-circular-motion-7a583503</loc>
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  </url>
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  </url>
  <url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-collision-problems-of-bodies-in-one-dimension-using-the-conservation-of-momentum-during-a-collision/on-a-test-track-a-car-weighing-1200-kg-is-travelling-at-25-ms-and-collides-head-on-with-a-stationary-truck-that-has-a-mass-of-3000-kg-after-the-impact-both-vehicles-move-together-in-the-same-direction-considering-the-principle-of-conservation-of-momentum-during-the-collision-which-of-the-following-statements-best-describes-the-outcome-of-the-collision-ceaa78ff</loc>
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    <changefreq>monthly</changefreq>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-a-resultant-force-acting-on-a-given-object-and-calculate-its-work-by-the-product-of-the-distance-traveled-by-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/an-operator-pushes-a-trolley-loaded-with-materials-applying-a-steady-force-of-150-n-at-an-angle-of-30-to-the-direction-of-movement-the-trolley-is-moved-a-distance-of-25-metres-across-a-level-surface-what-is-the-work-done-by-the-overall-force-applied-by-the-operator-a6455510</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-the-principles-of-relativity-to-calculate-relativistic-energy-including-rest-energy-emc-and-solve-problems-involving-its-use/a-rocket-with-a-rest-mass-of-1500-kg-is-accelerated-to-a-speed-of-075-times-the-speed-of-light-075-c-according-to-the-theory-of-special-relativity-calculate-the-total-relativistic-energy-of-the-rocket-in-this-condition-cfab5391</loc>
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  </url>
  <url>
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    <changefreq>monthly</changefreq>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-use-of-a-camera-obscura-calculating-for-example-the-size-of-the-camera-or-the-distance-from-the-camera-to-the-object/an-artist-makes-use-of-a-dark-room-to-cast-the-image-of-an-outside-landscape-onto-an-internal-screen-which-helps-in-crafting-their-drawings-the-distance-between-the-pinhole-of-the-camera-and-the-screen-is-075-metres-while-the-landscape-lies-150-metres-away-from-the-camera-given-that-the-actual-height-of-a-tree-in-the-landscape-measures-20-metres-what-height-will-the-image-on-the-internal-screen-be-8ca715f0</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-power-generated-by-the-joule-effect-in-a-resistor-or-a-circuit-and-solve-problems-that-require-this-calculation-such-as-the-time-needed-for-a-resistor-to-heat-a-certain-amount-of-water/an-electric-heater-has-a-resistance-of-30-w-and-is-connected-to-an-electrical-network-with-a-voltage-of-220-v-given-that-all-the-energy-lost-in-the-resistance-is-converted-into-heat-calculate-how-long-it-takes-to-heat-2-kg-of-water-from-20c-to-80c-the-specific-heat-capacity-of-water-is-418-jgc-64be4c1d</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-specific-mass-is-which-can-be-calculated-by-the-ratio-of-the-bodys-mass-to-its-volume-differentiate-specific-mass-from-relative-density/a-scientist-is-exploring-various-materials-for-making-household-utensils-and-needs-to-determine-the-specific-mass-of-bronze-he-has-found-that-a-sample-of-bronze-weighs-890-grams-and-occupies-a-volume-of-113-cubic-centimeters-based-on-this-information-what-is-the-specific-mass-of-bronze-0ceca799</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/recognize-the-main-means-of-motion-transmission-calculate-the-transmitted-motion-in-gears/a-bicycles-transmission-system-has-a-front-gear-with-18-teeth-that-drives-a-rear-gear-with-54-teeth-if-the-cyclist-pedals-at-a-speed-of-90-rotations-per-minute-rpm-what-will-be-the-rotational-speed-of-the-rear-gear-d825fe86</loc>
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  </url>
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  </url>
  <url>
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  </url>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/find-a-resultant-force-acting-on-a-given-object-and-calculate-its-work-by-the-product-of-the-distance-traveled-by-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/in-a-workshop-an-employee-applies-two-forces-to-move-a-tool-cart-the-first-force-measures-80-n-and-is-directed-horizontally-to-the-right-while-the-second-force-measuring-60-n-is-applied-at-a-45-angle-to-the-first-force-if-the-cart-moves-a-distance-of-15-meters-in-the-direction-of-the-resultant-force-what-is-the-work-achieved-by-the-combined-forces-e4845fa6" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/equation-the-hydrogen-atom-based-on-the-bohr-atom-and-the-concepts-of-modern-physics-the-radius-of-the-n-th-orbit-must-be-calculated/a-research-laboratory-is-examining-the-properties-of-the-hydrogen-atom-to-create-new-quantum-devices-using-the-bohr-model-and-ideas-from-modern-physics-what-is-the-formula-that-shows-the-radius-of-the-orbit-of-an-electron-in-the-n-th-energy-level-of-the-hydrogen-atom-2d989428</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-a-gas-in-various-gas-transformations-using-the-change-in-volume-and-the-pressure-of-the-gas/in-a-thermodynamics-experiment-an-ideal-gas-trapped-in-a-piston-starts-off-occupying-a-volume-of-300-l-at-a-steady-pressure-of-120-kpa-as-we-heat-the-gas-its-volume-expands-to-700-l-while-the-pressure-remains-constant-now-lets-figure-out-the-work-done-by-the-gas-during-this-process-5ca2a7af</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-sensible-heat-solve-problems-involving-heat-exchanges-and-temperature-changes-such-as-when-mixing-two-masses-of-water-at-different-temperatures/a-researcher-is-examining-how-heat-is-exchanged-when-mixing-two-amounts-of-water-at-different-temperatures-he-mixes-12345-g-of-water-at-1875c-with-45678-g-of-water-at-6525c-in-a-system-that-doesnt-exchange-heat-with-the-surroundings-considering-that-the-specific-heat-capacity-of-water-is-418-jgc-what-will-be-the-final-temperature-of-the-system-when-thermal-equilibrium-is-achieved-4d1e3b1a</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-coefficient-of-restitution-is-its-meaning-and-the-different-types-of-collision-use-the-coefficient-of-restitution-to-calculate-velocity-values-before-or-after-collisions/in-an-oblique-collision-experiment-a-wooden-block-weighing-2-kg-slides-on-a-smooth-horizontal-surface-and-collides-with-another-block-of-3-kg-that-is-initially-stationary-after-the-collision-the-2-kg-block-continues-in-its-original-direction-but-at-a-lower-speed-while-the-3-kg-block-moves-at-a-certain-velocity-forming-a-30-angle-with-respect-to-the-original-direction-of-the-2-kg-block-given-that-the-coefficient-of-restitution-between-the-two-blocks-is-08-what-is-the-velocity-of-the-3-kg-block-following-the-collision-102a450f</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-the-weight-force-using-the-formula-tmgh-which-is-the-product-of-mass-gravity-and-the-change-in-height/maria-is-transporting-a-50-kg-box-up-an-inclined-ramp-that-is-10-meters-long-and-at-an-angle-of-30-degrees-to-the-horizontal-considering-the-acceleration-due-to-gravity-as-981-ms-what-is-the-work-done-by-the-weight-force-while-she-moves-the-box-to-the-top-of-the-ramp-dcc9b268</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/introduce-the-postulates-of-the-theory-of-relativity-the-laws-of-physics-are-the-same-in-all-inertial-reference-systems-and-that-the-speed-of-light-in-a-vacuum-is-the-same-for-all-observers/a-person-on-earth-is-watching-two-events-happening-at-the-same-time-at-opposite-ends-of-a-space-station-thats-gliding-along-at-a-steady-speed-relative-to-earth-based-on-the-principles-of-relativity-how-does-someone-on-the-space-station-perceive-the-timing-of-these-events-8df832c8</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-entropy-of-the-universe-is-always-increasing-calculate-the-entropy-change-of-processes-such-as-state-change-or-isothermal-processes-verify-the-increase-or-decrease-of-entropy-in-a-system/an-engineer-is-working-on-a-thermodynamic-cycle-for-a-power-station-that-involves-multiple-transformations-of-the-working-fluid-during-one-of-the-stages-the-fluid-experiences-an-irreversible-adiabatic-expansion-followed-by-a-reversible-isothermal-compression-taking-into-account-the-principles-of-thermodynamics-and-the-concept-of-entropy-assess-the-changes-in-entropy-of-both-the-system-and-the-universe-throughout-the-cycle-which-of-the-following-statements-accurately-reflects-the-change-in-the-total-entropy-of-the-universe-due-to-these-transformations-56f36ba9</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-open-and-closed-tubes-understand-vibration-in-tubes-such-as-in-the-stationary-regime-relating-the-wavelength-with-the-respective-harmonic-and-with-the-length-of-the-tube/in-a-physics-lab-a-student-is-exploring-standing-waves-in-sound-tubes-he-uses-two-tubes-of-the-same-length-one-open-at-both-ends-and-the-other-closed-at-one-end-as-he-generates-vibrations-in-the-tubes-the-student-observes-various-harmonic-patterns-for-each-setup-reflecting-on-the-link-between-the-tube-length-wavelength-and-harmonics-in-a-stationary-state-which-setup-permits-the-formation-of-the-third-harmonic-while-maintaining-the-same-tube-length-79c499aa</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-vector-is-which-has-magnitude-direction-and-sense-calculate-the-magnitude-of-a-vector-write-a-vector-in-the-cartesian-plane/during-an-expedition-in-the-mountains-a-group-of-scientists-tracked-the-movement-of-a-drone-that-first-flew-150-meters-to-the-northeast-and-then-200-meters-to-the-southeast-using-a-cartesian-coordinate-system-where-east-is-represented-by-the-positive-x-axis-and-north-by-the-positive-y-axis-what-is-the-magnitude-of-the-resultant-vector-that-shows-the-total-displacement-of-the-drone-0c9154c7</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-centripetal-acceleration-using-the-formula-avr-and-the-average-tangential-acceleration-by-the-variation-of-the-speed-module-of-a-body-performing-circular-motion/a-car-is-driving-around-a-circular-track-with-a-radius-of-50-meters-for-4-seconds-its-speed-increases-steadily-from-8-ms-to-16-ms-taking-into-account-the-changing-circular-motion-what-is-the-magnitude-of-the-total-acceleration-of-the-car-during-this-time-period-6176c581</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-open-and-closed-tubes-understand-vibration-in-tubes-such-as-in-the-stationary-regime-relating-the-wavelength-with-the-respective-harmonic-and-with-the-length-of-the-tube/in-a-musical-instrument-factory-acoustic-engineers-are-busy-developing-two-types-of-sound-tubes-for-flutes-one-thats-open-at-both-ends-and-another-thats-closed-at-one-end-to-ensure-that-both-flutes-produce-the-same-primary-note-its-vital-to-grasp-how-the-configuration-of-the-tube-affects-the-relationship-between-the-tube-length-and-the-wavelength-linked-with-the-fundamental-harmonic-keeping-in-mind-the-properties-of-standing-waves-in-sound-tubes-which-of-the-following-options-accurately-describes-the-necessary-relationship-between-the-length-of-the-open-tube-and-the-closed-tube-for-both-to-generate-the-same-fundamental-frequency-836b1c38</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/mark-the-main-forces-acting-on-a-body-place-the-weight-force-knowing-its-direction-and-sense-place-the-contact-forces-with-their-directions-and-senses-appropriately-remembering-that-where-there-is-contact-there-is-force/while-cycling-up-a-ramp-that-has-a-10-slope-a-cyclist-weighing-70-kg-pulls-on-the-handlebars-which-are-at-a-20-angle-to-the-horizontal-to-keep-a-steady-pace-with-the-coefficient-of-friction-between-the-bike-tires-and-the-ramp-being-015-determine-the-key-forces-at-play-on-the-bicycle-and-specify-the-direction-and-nature-of-each-force-e8f6ba27</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-work-and-solve-problems-that-require-the-calculation-of-non-conservative-forces-such-as-friction-relating-them-to-the-change-in-kinetic-energy/a-block-weighing-12-kg-is-being-dragged-along-a-horizontal-surface-by-a-constant-force-of-60-n-over-a-distance-of-15-metres-the-surface-has-a-friction-coefficient-of-035-taking-into-account-the-forces-at-play-during-the-motion-what-is-the-change-in-the-blocks-kinetic-energy-after-it-has-moved-that-distance-a5b7094e</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-work-and-solve-problems-that-require-the-calculation-of-non-conservative-forces-such-as-friction-relating-them-to-the-change-in-kinetic-energy/a-block-weighing-12-kg-is-being-dragged-along-a-horizontal-surface-by-a-constant-force-of-60-n-over-a-distance-of-15-metres-the-surface-has-a-friction-coefficient-of-035-taking-into-account-the-forces-at-play-during-the-motion-what-is-the-change-in-the-blocks-kinetic-energy-after-it-has-moved-that-distance-a5b7094e" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-a-constant-force-remembering-that-work-is-calculated-by-the-product-of-the-distance-traveled-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/a-worker-exerts-a-steady-force-of-150-n-to-push-a-cart-loaded-with-materials-up-a-slope-that-forms-an-angle-of-25-shifting-it-horizontally-by-20-meters-as-the-movement-takes-place-without-any-acceleration-what-work-is-done-by-the-force-the-worker-applies-86383bfb</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-a-constant-force-remembering-that-work-is-calculated-by-the-product-of-the-distance-traveled-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/a-worker-exerts-a-steady-force-of-150-n-to-push-a-cart-loaded-with-materials-up-a-slope-that-forms-an-angle-of-25-shifting-it-horizontally-by-20-meters-as-the-movement-takes-place-without-any-acceleration-what-work-is-done-by-the-force-the-worker-applies-86383bfb" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-distances-in-vertical-motions-calculate-the-distance-traveled-as-well-as-the-final-velocity-and-the-time-of-displacement-in-a-vertical-motion-such-as-when-an-object-falls-from-a-tower/an-athlete-launches-a-ball-vertically-upwards-from-the-ground-with-an-initial-speed-of-2500-ms-ignoring-air-resistance-and-taking-the-acceleration-due-to-gravity-as-981-ms-what-is-the-maximum-height-reached-by-the-ball-from-the-launch-point-f1ad0b90</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-concept-of-relative-velocity-calculate-the-relative-velocity-between-two-objects-such-as-the-relative-velocity-of-a-car-moving-at-20-ms-in-relation-to-another-moving-at-4-ms-in-the-same-direction-and-sense-is-16-ms/a-cyclist-is-cruising-along-a-straight-path-at-a-steady-speed-of-12-ms-heading-east-at-the-same-time-a-motorcyclist-overtakes-him-on-the-same-route-moving-at-18-ms-towards-the-northwest-making-a-45-angle-with-the-east-direction-what-is-the-motorcyclists-speed-relative-to-the-cyclist-f7345765</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-the-main-types-of-lenses-such-as-converging-or-diverging-verifying-their-properties-and-characteristics/a-physics-teacher-is-showing-his-class-various-types-of-lenses-he-is-using-a-lens-that-brings-rays-of-light-together-at-a-focal-point-after-they-pass-through-it-what-type-of-lens-is-being-demonstrated-05c9d36b</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-heat-exchange-problems-with-changes-in-state-and-temperature-calculate-the-final-equilibrium-temperature-or-the-amount-of-certain-material-needed-to-reach-a-certain-temperature/a-technician-is-installing-a-heating-system-in-an-agricultural-greenhouse-to-keep-the-plants-at-their-ideal-temperature-hes-using-two-containers-one-with-500-kg-of-water-at-1500-c-and-the-other-with-300-kg-of-aluminium-at-8000-c-given-that-the-specific-heat-capacity-of-water-is-418-jg-c-and-that-of-aluminium-is-090-jg-c-calculate-the-final-equilibrium-temperature-of-the-system-after-they-come-into-thermal-contact-3f728d2c</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/subtract-different-vectors-using-the-representation-of-vectors-in-the-cartesian-plane-such-as-2ij-i3j-or-by-the-geometric-representation-of-the-vectors/a-sailboat-is-moving-at-a-speed-of-15-ms-towards-the-east-which-we-can-describe-with-the-vector-vb-15i-ms-meanwhile-the-wind-is-blowing-at-a-speed-of-5-ms-from-the-northwest-direction-creating-a-45-angle-with-the-negative-ox-axis-by-using-vector-representation-in-the-cartesian-plane-we-need-to-find-the-vector-difference-between-the-sailboats-velocity-and-that-of-the-wind-and-then-calculate-how-fast-the-sailboat-is-actually-moving-relative-to-the-ground-a38f9a0b</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/recognize-the-main-graphs-of-uniform-rectilinear-motion-use-the-graphs-of-uniform-motion-to-solve-uniform-motion-issues/a-cyclist-is-taking-a-route-where-they-keep-a-steady-speed-for-the-whole-trip-they-log-their-position-at-regular-intervals-and-want-to-plot-this-data-to-assess-their-performance-given-the-cyclists-uniform-motion-how-will-the-slope-of-the-position-versus-time-graph-resulting-from-this-data-collection-be-described-d590cff0</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-the-general-gas-equation-to-calculate-pressure-volume-temperature-and-number-of-moles-of-a-given-ideal-gas/a-sealed-reactor-contains-300-moles-of-an-ideal-gas-at-a-temperature-of-400-k-and-a-pressure-of-250-atm-during-a-chemical-process-100-mole-of-gas-is-used-up-and-the-temperature-of-the-reactor-rises-to-500-k-to-keep-the-pressure-steady-the-volume-of-the-reactor-needs-to-be-adjusted-calculate-the-final-volume-of-the-gas-in-the-reactor-959b7472</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/verify-the-necessary-conditions-for-energy-conservation-in-fluids-and-the-use-of-bernoullis-principle-which-describes-how-the-velocity-of-a-fluid-pressure-and-potential-energy-are-related/an-aerodrome-is-in-the-process-of-designing-the-wing-profiles-for-its-new-aircraft-to-enhance-flight-efficiency-it-has-been-noted-that-the-airflow-speed-over-the-upper-surface-of-the-wing-is-greater-than-that-over-the-lower-surface-according-to-bernoullis-principle-what-does-this-variation-in-speed-suggest-about-the-pressure-differences-between-the-upper-and-lower-surfaces-of-the-wing-40643f84</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-snells-law-to-calculate-the-lateral-displacement-of-two-flat-surfaces-that-are-parallel-to-each-other/a-beam-of-light-hits-a-glass-slab-that-is-5-cm-thick-with-parallel-surfaces-making-an-angle-of-45-with-the-normal-to-the-first-surface-given-that-the-refractive-index-of-the-glass-is-15-apply-snells-law-to-calculate-how-far-the-light-ray-shifts-laterally-as-it-exits-the-slab-what-is-the-lateral-displacement-12317a73</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-light-reflection-is-comprehend-that-when-there-is-a-reflection-on-a-surface-the-angle-of-incidence-is-equal-to-the-angle-of-reflection/a-student-is-adjusting-the-rearview-mirror-in-his-car-to-make-sure-he-has-a-clear-view-while-driving-at-night-he-notices-that-when-he-sets-the-mirror-at-a-specific-angle-the-reflection-of-another-vehicles-headlights-lines-up-perfectly-with-the-road-ahead-given-the-principles-of-light-reflection-on-flat-surfaces-what-is-the-correct-relationship-between-the-angle-at-which-the-light-from-the-headlights-hits-the-mirror-and-the-angle-at-which-it-is-reflected-73e8f953</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-capacitance-of-parallel-plate-capacitors-using-the-plate-area-the-distance-between-plates-and-the-medium-in-which-the-plate-was-located/in-a-physics-lab-a-student-is-setting-up-a-circuit-with-a-parallel-plate-capacitor-to-explore-the-link-between-capacitance-plate-area-and-the-distance-between-them-the-capacitor-plates-each-have-an-area-of-008-m-and-are-spaced-0004-m-apart-submerged-in-a-dielectric-material-with-a-dielectric-constant-k-32-given-this-data-what-is-the-capacitance-of-this-capacitor-3cdb1ee4</loc>
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  </url>
  <url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-of-resistors-arranged-in-series-using-the-fact-that-when-resistors-are-in-series-we-must-add-the-resistances/an-engineer-is-designing-an-electrical-circuit-for-a-classroom-that-uses-three-resistors-with-resistances-of-10-w-20-w-and-30-w-connected-in-series-given-the-series-arrangement-of-the-resistors-what-is-the-total-resistance-of-the-circuit-56608313</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-faradays-law-to-calculate-the-induced-electromotive-force-in-bodies-with-varying-magnetic-flux-solve-problems-involving-the-use-of-faradays-law/a-circular-loop-with-area-a-is-spinning-at-an-angular-velocity-w-in-a-magnetic-field-that-changes-over-time-described-by-bt-b0-sin8-t-where-8-is-a-constant-the-loops-axis-of-rotation-is-at-a-right-angle-to-the-magnetic-field-direction-when-t-0-using-faradays-law-what-is-the-formula-for-the-induced-electromotive-force-in-the-loop-as-time-progresses-85c8e15d</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-the-heisenberg-uncertainty-principle-which-states-that-it-can-be-mathematically-described-as-dx-dp-2-to-calculate-position-errors-and-momentum-amounts/while-developing-high-precision-electron-microscopes-engineers-encounter-challenges-in-measuring-the-position-and-momentum-of-electrons-simultaneously-for-image-creation-the-heisenberg-uncertainty-principle-tells-us-that-theres-a-trade-off-between-the-accuracy-of-these-measurements-in-light-of-this-principle-which-of-the-following-strategies-could-help-reduce-the-impact-of-momentum-uncertainty-without-greatly-affecting-the-resolution-of-position-images-9ac384d1</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-and-dimension-an-unknown-magnitude-or-constant-based-on-the-relationships-of-a-formula-and-the-dimension-of-known-magnitudes-such-as-speed-having-dimension-1-of-length-and-1-of-time/in-a-civil-engineering-experiment-technicians-are-looking-at-how-water-flows-through-different-types-of-pipes-to-gauge-the-efficiency-of-the-distribution-system-they-found-that-the-pressure-loss-dp-in-the-pipe-is-connected-to-the-density-of-water-r-the-flow-velocity-v-and-the-internal-diameter-of-the-pipe-d-using-the-formula-dp-k-r-v-d-understanding-that-density-has-the-dimension-m-l-3-and-velocity-is-measured-in-l-t-1-apply-dimensional-analysis-to-figure-out-the-dimension-of-the-constant-k-2c282e5c</loc>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-faradays-law-to-calculate-the-induced-electromotive-force-in-bodies-with-varying-magnetic-flux-solve-problems-involving-the-use-of-faradays-law/an-engineer-is-designing-a-generator-that-uses-a-circular-coil-with-a-radius-of-015-metres-which-rotates-at-a-steady-angular-speed-within-a-uniform-magnetic-field-of-080-tesla-the-coil-rotates-so-that-its-plane-makes-an-angle-of-45-with-the-direction-of-the-magnetic-field-according-to-faradays-law-what-is-the-expression-for-the-induced-electromotive-force-in-the-coil-as-it-relates-to-time-36c8c7f7</loc>
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  </url>
  <url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-centripetal-force-of-a-curvilinear-motion-using-the-formula-fmvr-use-this-to-solve-mechanics-problems-such-as-a-vehicle-making-a-turn-on-a-track/a-vehicle-weighing-1800-kg-is-navigating-a-turn-on-a-track-with-a-radius-of-60-meters-to-avoid-skidding-and-maintain-its-path-the-frictional-force-between-the-tyres-and-the-road-needs-to-provide-the-necessary-centripetal-force-by-using-the-formula-f-mvr-calculate-the-maximum-speed-the-car-can-achieve-under-these-conditions-a732db15</loc>
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    <changefreq>monthly</changefreq>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-static-friction-and-dynamic-friction-calculate-the-static-friction-force-acting-on-a-certain-body-and-the-maximum-static-friction-using-the-formula-fn-calculate-the-kinetic-friction-force-using-the-formula-fn/a-student-is-trying-to-push-a-bulky-piece-of-furniture-across-the-floor-of-their-room-knowing-that-the-coefficient-of-static-friction-between-the-furniture-and-the-floor-is-045-and-that-the-mass-of-the-furniture-is-20-kg-what-is-the-minimum-force-that-the-student-must-apply-to-get-the-furniture-moving-3c20592a</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-impulse-refers-to-the-change-in-momentum-of-an-object-when-a-force-is-applied-over-a-time-interval-and-calculate-it-by-the-product-of-the-force-and-the-application-time/a-soccer-player-gives-the-ball-a-solid-kick-applying-a-consistent-force-of-300-n-for-005-seconds-what-is-the-impulse-generated-by-the-force-during-the-kick-8621dba4</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-average-speed-of-an-object-in-uniformly-accelerated-motion-based-on-the-initial-and-final-speeds-such-as-for-an-object-with-an-initial-speed-of-2-ms-and-8-ms-its-average-speed-is-5-ms/a-vehicle-starts-from-a-standstill-and-accelerates-steadily-until-it-reaches-a-top-speed-of-18-ms-after-covering-a-distance-of-162-meters-taking-into-account-this-uniform-motion-what-is-the-average-speed-of-the-vehicle-over-the-entire-journey-734890f8</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-instantaneous-speed-is-calculate-the-speed-of-a-moving-object-at-certain-points-along-a-trajectory/a-car-is-cruising-down-a-straight-road-every-3-seconds-we-noted-the-cars-position-as-it-moved-45-meters-then-54-meters-and-finally-65-meters-from-this-information-can-we-figure-out-the-instantaneous-speed-of-the-car-when-it-was-at-54-meters-d4d9f110</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-field-generated-by-a-loop-solve-problems-that-require-the-calculation-of-magnetic-fields-generated-by-loops/in-a-physics-lab-a-researcher-is-using-a-circular-loop-with-a-radius-r-through-which-an-electric-current-i-flows-to-create-a-magnetic-field-to-better-understand-the-device-he-aims-to-find-the-intensity-of-the-magnetic-field-at-a-point-that-is-located-at-a-distance-x-along-the-axis-that-is-perpendicular-to-the-loop-and-passes-through-its-centre-calculate-the-intensity-of-the-magnetic-field-produced-by-the-loop-at-that-specific-point-5d3dd541</loc>
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  </url>
  <url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-main-existing-gaseous-transformations-calculate-volume-pressure-temperature-and-number-of-moles-in-gaseous-transformations/a-piston-holds-300-moles-of-an-ideal-gas-at-a-temperature-of-300-k-taking-up-a-volume-of-100-l-with-an-initial-pressure-of-200-atm-the-gas-is-then-compressed-to-a-volume-of-500-l-and-the-temperature-is-raised-to-450-k-given-that-the-number-of-moles-stays-the-same-what-is-the-new-pressure-exerted-by-the-gas-d3f6c000</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-fields-generated-by-coils-solve-problems-that-require-the-calculation-of-magnetic-fields-generated-by-coils/at-a-magnetic-train-station-engineers-use-circular-coils-to-create-magnetic-fields-that-help-control-the-speed-of-the-trains-imagine-one-of-these-coils-has-200-turns-and-a-radius-of-15-cm-with-a-current-of-3-a-running-through-it-given-these-details-whats-the-magnetic-field-generated-at-the-center-of-the-coil-0721d379</loc>
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  </url>
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  </url>
  <url>
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  </url>
  <url>
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  </url>
  <url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/subtract-different-vectors-using-the-representation-of-vectors-in-the-cartesian-plane-such-as-2ij-i3j-or-by-the-geometric-representation-of-the-vectors/an-engineer-is-working-on-the-flight-path-of-a-drone-that-needs-to-travel-from-point-a-to-point-b-using-vectors-to-figure-out-its-route-if-the-initial-displacement-vector-of-the-drone-is-denoted-as-3i-4j-and-the-wind-influences-it-with-a-vector-of-i-2j-what-is-the-resultant-vector-that-defines-the-drones-actual-flight-path-cddba913</loc>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-average-scalar-acceleration-that-a-body-had-to-go-from-an-initial-velocity-to-a-final-velocity-in-a-certain-time-such-as-a-mobile-going-from-1-ms-to-10-ms-in-9-s-requires-an-acceleration-of-1-ms/a-motorcyclist-kicks-off-a-race-on-a-straight-track-from-a-standstill-steadily-ramping-up-their-speed-to-25-ms-over-10-seconds-after-cruising-at-this-constant-speed-for-a-while-they-hit-the-brakes-and-slow-down-uniformly-until-coming-to-a-complete-stop-in-5-seconds-looking-at-the-whole-journey-from-when-they-first-sped-up-to-when-they-finally-stopped-what-was-the-average-scalar-acceleration-of-the-motorcyclist-throughout-this-process-ecdb54ab</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-average-scalar-acceleration-that-a-body-had-to-go-from-an-initial-velocity-to-a-final-velocity-in-a-certain-time-such-as-a-mobile-going-from-1-ms-to-10-ms-in-9-s-requires-an-acceleration-of-1-ms/a-motorcyclist-kicks-off-a-race-on-a-straight-track-from-a-standstill-steadily-ramping-up-their-speed-to-25-ms-over-10-seconds-after-cruising-at-this-constant-speed-for-a-while-they-hit-the-brakes-and-slow-down-uniformly-until-coming-to-a-complete-stop-in-5-seconds-looking-at-the-whole-journey-from-when-they-first-sped-up-to-when-they-finally-stopped-what-was-the-average-scalar-acceleration-of-the-motorcyclist-throughout-this-process-ecdb54ab" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-apparent-frequency-perceived-by-an-observer-who-may-be-moving-or-stationary-from-a-sound-source-that-may-be-moving-or-stationary-it-is-important-that-at-least-one-of-the-two-is-moving/an-emergency-vehicle-with-its-siren-blaring-is-racing-towards-an-intersection-at-a-high-speed-producing-a-sound-frequency-of-1000-hz-if-the-vehicle-is-moving-at-40-ms-and-the-speed-of-sound-in-air-is-340-ms-what-is-the-frequency-that-a-pedestrian-standing-nearby-will-hear-28d472c7</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-apparent-frequency-perceived-by-an-observer-who-may-be-moving-or-stationary-from-a-sound-source-that-may-be-moving-or-stationary-it-is-important-that-at-least-one-of-the-two-is-moving/an-emergency-vehicle-with-its-siren-blaring-is-racing-towards-an-intersection-at-a-high-speed-producing-a-sound-frequency-of-1000-hz-if-the-vehicle-is-moving-at-40-ms-and-the-speed-of-sound-in-air-is-340-ms-what-is-the-frequency-that-a-pedestrian-standing-nearby-will-hear-28d472c7" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-generators-and-receivers-are-find-them-in-a-given-circuit-solve-problems-involving-receivers-and-generators-such-as-finding-the-current-in-a-circuit-containing-a-real-generator/in-a-lab-experiment-we-set-up-an-electric-circuit-with-a-real-generator-connected-in-series-to-three-resistors-valued-at-2-w-3-w-and-5-w-given-that-the-generator-has-an-internal-resistance-of-1-w-and-an-electromotive-force-voltage-of-12-v-what-is-the-current-flowing-through-the-circuit-bf3c6f21</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-generators-and-receivers-are-find-them-in-a-given-circuit-solve-problems-involving-receivers-and-generators-such-as-finding-the-current-in-a-circuit-containing-a-real-generator/in-a-lab-experiment-we-set-up-an-electric-circuit-with-a-real-generator-connected-in-series-to-three-resistors-valued-at-2-w-3-w-and-5-w-given-that-the-generator-has-an-internal-resistance-of-1-w-and-an-electromotive-force-voltage-of-12-v-what-is-the-current-flowing-through-the-circuit-bf3c6f21" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-collision-problems-of-bodies-in-one-dimension-using-the-conservation-of-momentum-during-a-collision/in-a-game-of-ten-pin-bowling-a-bowling-ball-weighing-7-kg-is-bowled-towards-the-pins-which-are-initially-stationary-at-a-speed-of-4-ms-after-colliding-with-the-pins-the-ball-moves-back-with-a-speed-of-1-ms-since-the-collision-occurs-along-a-straight-line-and-no-external-forces-are-acting-on-the-system-what-is-the-combined-mass-of-the-pins-that-were-struck-by-the-ball-442b2db9</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-collision-problems-of-bodies-in-one-dimension-using-the-conservation-of-momentum-during-a-collision/in-a-game-of-ten-pin-bowling-a-bowling-ball-weighing-7-kg-is-bowled-towards-the-pins-which-are-initially-stationary-at-a-speed-of-4-ms-after-colliding-with-the-pins-the-ball-moves-back-with-a-speed-of-1-ms-since-the-collision-occurs-along-a-straight-line-and-no-external-forces-are-acting-on-the-system-what-is-the-combined-mass-of-the-pins-that-were-struck-by-the-ball-442b2db9" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-sound-intensity-is-a-measure-of-the-amount-of-energy-that-a-sound-wave-carries-per-unit-of-time-through-a-unit-area-and-calculate-it/an-acoustic-engineer-is-assessing-the-sound-level-in-a-library-he-measures-that-a-sound-wave-carries-an-energy-of-200-js-through-an-area-of-4-m-based-on-this-information-what-is-the-sound-intensity-of-the-wave-in-the-library-4b521a26</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-sound-intensity-is-a-measure-of-the-amount-of-energy-that-a-sound-wave-carries-per-unit-of-time-through-a-unit-area-and-calculate-it/an-acoustic-engineer-is-assessing-the-sound-level-in-a-library-he-measures-that-a-sound-wave-carries-an-energy-of-200-js-through-an-area-of-4-m-based-on-this-information-what-is-the-sound-intensity-of-the-wave-in-the-library-4b521a26" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-average-vector-velocity-and-average-scalar-velocity-calculate-the-average-vector-velocity-as-the-change-in-position-divided-by-time/a-boat-sets-off-from-the-harbour-and-travels-20-km-north-over-2-hours-it-then-alters-its-course-and-heads-10-km-east-in-1-hour-considering-the-entire-journey-what-is-the-average-vector-velocity-of-the-boat-05b5078e</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-average-vector-velocity-and-average-scalar-velocity-calculate-the-average-vector-velocity-as-the-change-in-position-divided-by-time/a-boat-sets-off-from-the-harbour-and-travels-20-km-north-over-2-hours-it-then-alters-its-course-and-heads-10-km-east-in-1-hour-considering-the-entire-journey-what-is-the-average-vector-velocity-of-the-boat-05b5078e" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-open-and-closed-tubes-understand-vibration-in-tubes-such-as-in-the-stationary-regime-relating-the-wavelength-with-the-respective-harmonic-and-with-the-length-of-the-tube/in-a-classroom-experiment-learners-explore-sound-production-in-two-sound-tubes-one-open-at-both-ends-and-the-other-closed-at-one-end-when-vibrations-are-initiated-it-becomes-clear-that-the-frequency-of-the-sounds-produced-changes-depending-on-the-length-of-the-tube-and-the-type-of-ends-given-the-characteristics-of-standing-waves-in-these-tubes-which-of-the-following-statements-best-explains-the-difference-between-the-wavelengths-of-the-harmonics-in-the-open-tube-and-the-closed-tube-fc8f4d3e</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-open-and-closed-tubes-understand-vibration-in-tubes-such-as-in-the-stationary-regime-relating-the-wavelength-with-the-respective-harmonic-and-with-the-length-of-the-tube/in-a-classroom-experiment-learners-explore-sound-production-in-two-sound-tubes-one-open-at-both-ends-and-the-other-closed-at-one-end-when-vibrations-are-initiated-it-becomes-clear-that-the-frequency-of-the-sounds-produced-changes-depending-on-the-length-of-the-tube-and-the-type-of-ends-given-the-characteristics-of-standing-waves-in-these-tubes-which-of-the-following-statements-best-explains-the-difference-between-the-wavelengths-of-the-harmonics-in-the-open-tube-and-the-closed-tube-fc8f4d3e" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/write-a-wave-equation-that-can-describe-wave-motion-as-a-function-of-time-using-sinusoidal-functions-to-describe-that-motion/a-physicist-is-looking-into-the-waves-created-on-a-tight-string-during-an-experiment-he-notes-that-the-peak-amplitude-of-the-wave-is-004-metres-and-that-the-frequency-of-the-oscillations-is-25-hz-given-that-the-wave-travels-along-the-x-axis-what-is-the-equation-that-describes-the-motion-of-the-wave-over-time-67d5a02a</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/write-a-wave-equation-that-can-describe-wave-motion-as-a-function-of-time-using-sinusoidal-functions-to-describe-that-motion/a-physicist-is-looking-into-the-waves-created-on-a-tight-string-during-an-experiment-he-notes-that-the-peak-amplitude-of-the-wave-is-004-metres-and-that-the-frequency-of-the-oscillations-is-25-hz-given-that-the-wave-travels-along-the-x-axis-what-is-the-equation-that-describes-the-motion-of-the-wave-over-time-67d5a02a" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-gausss-equation-to-calculate-the-distance-between-images-and-mirrors-based-on-the-mirrors-focal-length-as-well-as-the-linear-magnification/a-gardening-business-utilises-a-convex-mirror-with-a-focal-distance-of-40-cm-to-improve-visibility-in-planting-areas-if-a-tree-is-80-cm-away-from-the-mirror-apply-the-gaussian-equation-to-find-out-the-distance-between-the-formed-image-and-the-mirror-additionally-calculate-the-linear-magnification-created-by-the-mirror-in-this-situation-28aa4ff8</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/use-gausss-equation-to-calculate-the-distance-between-images-and-mirrors-based-on-the-mirrors-focal-length-as-well-as-the-linear-magnification/a-gardening-business-utilises-a-convex-mirror-with-a-focal-distance-of-40-cm-to-improve-visibility-in-planting-areas-if-a-tree-is-80-cm-away-from-the-mirror-apply-the-gaussian-equation-to-find-out-the-distance-between-the-formed-image-and-the-mirror-additionally-calculate-the-linear-magnification-created-by-the-mirror-in-this-situation-28aa4ff8" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-average-speed-of-a-gas-is-and-how-to-calculate-it/a-student-is-looking-into-the-average-speed-of-molecules-in-two-samples-of-ideal-gases-sample-a-is-a-gas-with-a-molecular-mass-of-28-gmol-kept-at-350-k-while-sample-b-has-a-gas-with-a-molecular-mass-of-14-gmol-maintained-at-the-same-temperature-of-350-k-considering-how-molecular-mass-affects-the-average-speed-of-molecules-which-of-the-following-statements-accurately-reflects-the-comparison-between-the-average-speeds-of-the-molecules-in-the-two-samples-eaffd37d</loc>
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    <changefreq>monthly</changefreq>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-relationship-of-work-by-forces-such-as-elastic-and-weight-with-their-respective-potential-energies/a-lifting-system-uses-a-pulley-to-raise-a-50-kg-mass-submerged-in-a-tank-full-of-water-to-lift-the-mass-to-a-height-of-3-meters-work-must-be-done-against-the-force-of-gravity-and-the-buoyant-force-caused-by-the-water-take-the-acceleration-due-to-gravity-as-981-ms-and-the-density-of-water-as-1000-kgm-calculate-the-total-work-done-to-raise-the-mass-to-the-required-height-6fb5f0ca</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-the-weight-force-using-the-formula-tmgh-which-is-the-product-of-mass-gravity-and-the-change-in-height/a-5-kg-object-is-lifted-straight-up-from-the-ground-to-a-height-of-3-meters-assuming-the-acceleration-due-to-gravity-is-98-ms-how-much-work-is-done-by-the-weight-force-during-this-lift-0dd33972</loc>
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    <changefreq>monthly</changefreq>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-use-of-newtons-laws-solve-mechanics-problems-involving-the-calculation-or-use-of-weight-normal-friction-among-other-forces/a-car-weighing-1200-kg-is-being-pushed-forward-by-a-steady-force-of-4500-n-while-encountering-a-frictional-force-of-800-n-on-the-road-using-newtons-laws-what-is-the-acceleration-of-the-car-b3341662</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-refractive-index-of-the-medium-or-based-on-it-calculate-the-angular-deviation-or-calculate-the-speed-of-a-medium/an-engineer-is-working-on-a-glass-window-design-and-needs-to-figure-out-how-light-behaves-when-it-moves-from-air-into-glass-if-a-ray-of-light-hits-the-glass-surface-at-an-angle-of-30-and-the-angle-at-which-it-refracts-inside-the-glass-is-19-what-is-the-glasss-refractive-index-384c6fef</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-refractive-index-of-the-medium-or-based-on-it-calculate-the-angular-deviation-or-calculate-the-speed-of-a-medium/an-engineer-is-working-on-a-glass-window-design-and-needs-to-figure-out-how-light-behaves-when-it-moves-from-air-into-glass-if-a-ray-of-light-hits-the-glass-surface-at-an-angle-of-30-and-the-angle-at-which-it-refracts-inside-the-glass-is-19-what-is-the-glasss-refractive-index-384c6fef" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-thermodynamic-cycle-is-and-solve-problems-involving-thermodynamic-cycles-with-calculations-of-heat-exchanged-internal-energy-or-work-done/an-engineer-is-working-on-a-thermal-engine-thats-designed-to-run-using-a-thermodynamic-cycle-made-up-of-two-isothermal-transformations-and-two-adiabatic-transformations-this-cycle-will-operate-between-a-high-temperature-reservoir-at-600-k-and-a-low-temperature-reservoir-at-300-k-based-on-the-laws-of-thermodynamics-what-is-the-key-benefit-of-this-cycle-regarding-energy-efficiency-when-compared-to-actual-engine-cycles-that-are-commonly-used-today-6624ce5d</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-electric-potential-energy-is-and-use-that-to-solve-problems-such-as-calculating-the-speed-of-a-certain-charge-that-was-initially-placed-at-rest-and-moved-from-the-initial-position/a-charge-of-200-mc-is-at-rest-positioned-020-m-away-from-another-charge-of-200-mc-assuming-the-only-force-that-comes-into-play-is-the-electric-force-between-the-two-charges-and-neglecting-any-air-resistance-what-will-be-the-velocity-of-the-moving-charge-when-it-is-040-m-away-from-its-starting-position-e34741bf</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-electric-potential-energy-is-and-use-that-to-solve-problems-such-as-calculating-the-speed-of-a-certain-charge-that-was-initially-placed-at-rest-and-moved-from-the-initial-position/a-charge-of-200-mc-is-at-rest-positioned-020-m-away-from-another-charge-of-200-mc-assuming-the-only-force-that-comes-into-play-is-the-electric-force-between-the-two-charges-and-neglecting-any-air-resistance-what-will-be-the-velocity-of-the-moving-charge-when-it-is-040-m-away-from-its-starting-position-e34741bf" />
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-simple-pendulum-can-have-motion-described-by-simple-harmonic-motion-calculate-the-gravity-of-a-region-or-the-length-or-period-of-a-simple-pendulum/a-physicist-is-looking-into-the-swinging-motion-of-a-simple-pendulum-used-in-a-physics-lab-while-measuring-the-oscillation-period-they-noted-that-the-pendulum-completes-a-full-cycle-in-250-seconds-given-that-the-pendulum-exhibits-simple-harmonic-motion-what-would-be-the-approximate-length-of-the-pendulums-string-in-this-area-where-the-acceleration-due-to-gravity-is-not-specified-0940b6cb</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/equation-a-hydrogen-like-atom-based-on-the-concepts-of-modern-physics-calculating-for-example-the-radius-of-the-atom-in-the-nth-orbit/according-to-the-bohr-model-the-electrons-in-a-hydrogen-atom-orbit-the-nucleus-at-set-distances-which-are-influenced-by-their-energy-levels-using-modern-physics-principles-how-can-we-calculate-the-radius-of-the-orbit-that-corresponds-to-the-principal-quantum-level-n-c198d31b</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-gausss-equation-to-calculate-the-distance-between-images-and-mirrors-based-on-the-mirrors-focal-length-as-well-as-the-linear-magnification/a-maintenance-technician-is-setting-up-a-convex-rearview-mirror-on-a-vehicle-given-that-the-focal-length-of-the-mirror-is-40-cm-he-places-an-object-80-cm-away-from-the-surface-of-the-mirror-use-the-gaussian-equation-to-work-out-the-distance-of-the-image-formed-relative-to-the-mirror-and-calculate-the-linear-magnification-produced-by-the-image-83906c47</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-bodies-in-orbits-of-other-planets-such-as-celestial-bodies-orbiting-the-sun-application-of-keplers-laws-or-calculation-of-escape-velocities-from-planets/the-brazilian-space-agency-is-gearing-up-to-launch-a-satellite-aimed-at-monitoring-climate-change-by-placing-it-in-an-elliptical-orbit-around-the-earth-to-achieve-a-stable-orbit-and-ensure-an-energy-efficient-launch-its-crucial-to-calculate-the-required-speed-at-various-points-along-the-orbit-considering-keplers-laws-and-newtons-law-of-universal-gravitation-which-method-would-best-identify-how-the-satellites-speed-changes-throughout-its-elliptical-orbit-660cdcb8</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-expansion-of-bodies-specifically-the-linear-expansion-of-an-object-such-as-the-expansion-of-an-iron-bar/steel-railway-tracks-experience-linear-expansion-as-the-temperature-rises-why-is-it-crucial-to-ensure-there-is-sufficient-space-between-the-tracks-during-installation-fc8a1ce0</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-photoelectric-effect-is-a-phenomenon-observed-in-quantum-physics-where-electrons-are-emitted-from-materials-usually-metals-when-they-absorb-energy-from-light-photons/in-a-practical-experiment-aimed-at-uncovering-how-efficiently-different-metals-release-electrons-when-exposed-to-various-light-frequencies-we-used-filters-to-carefully-control-the-frequency-of-the-incoming-photons-it-was-noted-that-for-one-particular-metal-only-photons-with-frequencies-higher-than-a-certain-threshold-could-dislodge-electrons-from-its-surface-based-on-this-observation-which-of-the-following-statements-best-explains-the-phenomenon-as-it-relates-to-the-photoelectric-effect-0217fa29</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-propagation-speed-of-the-image-when-a-mirror-approaches-or-moves-away-from-an-object-at-speed-v/a-flat-mirror-is-moving-horizontally-towards-a-stationary-object-at-a-constant-speed-v-considering-how-the-reflected-image-forms-in-the-mirror-what-speed-does-the-image-of-the-object-move-at-in-relation-to-the-mirror-034d5fe6</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-elastic-force-is-which-arises-when-an-elastic-object-such-as-a-spring-or-an-elastic-band-is-stretched-or-compressed-calculate-the-force-exerted-on-a-body-using-the-formula-fkx/a-mechanic-is-fine-tuning-the-suspension-springs-of-a-vehicle-to-enhance-the-comfort-of-the-passengers-he-understands-that-when-extra-weight-is-added-to-the-car-the-springs-will-compress-correspondingly-by-applying-hookes-law-how-can-the-mechanic-find-the-elastic-constant-of-the-springs-needed-to-bear-a-particular-load-without-surpassing-the-allowed-deformation-4f4e20b0</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-work-done-by-an-elastic-force-comes-from-hookes-law-and-calculate-the-work-of-the-elastic-force-using-the-formula-wkx2/in-a-physics-lab-a-student-compresses-a-spring-with-a-spring-constant-of-250-nm-applying-a-force-until-the-spring-is-deformed-by-010-metres-using-hookes-law-what-is-the-work-done-by-the-elastic-force-during-this-process-ac1ffe7e</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-capacitance-of-parallel-plate-capacitors-using-the-plate-area-the-distance-between-plates-and-the-medium-in-which-the-plate-was-located/an-electronics-firm-is-working-on-a-device-that-employs-a-parallel-plate-capacitor-as-its-key-component-to-filter-out-noise-in-electrical-signals-the-combined-area-of-the-capacitor-plates-is-085-m-and-they-are-spaced-23-mm-apart-the-gap-between-the-plates-is-filled-with-a-dielectric-material-but-the-dielectric-constant-of-this-material-isnt-known-to-ensure-the-device-meets-its-specifications-the-required-capacitance-is-120-f-what-is-the-dielectric-constant-of-the-material-in-the-capacitor-e90e5f9b</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-capacitance-is-calculate-it-or-use-capacitance-to-calculate-charges-or-potential-differences/a-parallel-plate-capacitor-with-area-a-and-a-gap-of-distance-d-is-partially-filled-with-a-dielectric-material-that-has-a-dielectric-constant-k-occupying-half-of-the-distance-between-the-plates-while-the-other-half-remains-in-a-vacuum-when-its-connected-to-a-voltage-source-v-the-dielectric-influences-the-total-capacitance-of-the-system-given-that-half-of-the-distance-between-the-plates-is-occupied-by-the-dielectric-what-is-the-equivalent-capacitance-of-the-capacitor-ea8650c2</loc>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-of-resistors-arranged-in-series-using-the-fact-that-when-resistors-are-in-series-we-must-add-the-resistances/a-company-is-designing-an-electric-circuit-that-includes-three-resistors-connected-in-series-the-first-two-resistors-have-resistances-of-25-w-and-35-w-respectively-and-the-power-supply-provides-a-constant-voltage-of-180-v-given-that-the-total-power-dissipated-by-the-circuit-must-be-720-w-what-should-the-resistance-value-of-the-third-resistor-be-please-use-up-to-two-decimal-places-and-provide-only-the-essential-information-needed-for-the-solution-5892aaa3</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-use-of-ohms-first-law-which-states-that-the-current-passing-through-a-conductor-between-two-points-is-directly-proportional-to-the-voltage-across-the-two-points/in-a-household-circuit-a-lamp-with-unknown-resistance-is-hooked-up-to-a-220-v-power-source-resulting-in-a-current-of-2-a-flowing-through-the-circuit-according-to-ohms-first-law-what-is-the-resistance-of-the-lamp-23b7c845</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-a-constant-force-remembering-that-work-is-calculated-by-the-product-of-the-distance-traveled-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/a-learner-pushes-a-crate-with-a-steady-force-of-50-n-applying-it-at-an-angle-of-30-degrees-to-the-horizontal-the-crate-travels-10-metres-across-a-flat-surface-what-is-the-work-done-by-the-force-exerted-by-the-learner-f36ff4be</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-work-and-solve-problems-that-require-the-calculation-of-non-conservative-forces-such-as-friction-relating-them-to-the-change-in-kinetic-energy/in-a-practical-experiment-a-student-is-pushing-a-2-kg-cart-along-a-flat-surface-applying-a-steady-force-of-15-n-alongside-this-force-theres-also-a-frictional-force-at-play-which-works-against-the-motion-of-the-cart-taking-into-account-the-non-conservative-forces-involved-what-is-the-change-in-the-carts-kinetic-energy-after-it-has-moved-5-meters-f442297f</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-use-of-ohms-first-law-which-states-that-the-current-passing-through-a-conductor-between-two-points-is-directly-proportional-to-the-voltage-across-the-two-points/an-electrician-is-putting-up-a-lamp-in-someones-home-and-uses-a-circuit-with-a-24-volt-power-source-and-a-6-ohm-resistor-to-test-it-out-based-on-ohms-first-law-what-is-the-current-intensity-flowing-through-the-circuit-4cb0ca10</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/verify-the-necessary-conditions-for-energy-conservation-in-fluids-and-the-use-of-bernoullis-principle-which-describes-how-the-velocity-of-a-fluid-pressure-and-potential-energy-are-related/an-engineer-is-designing-a-ventilation-system-for-an-aerodynamic-testing-tunnel-in-the-tunnel-air-flows-through-different-sections-that-have-variations-in-cross-sectional-area-and-tube-height-in-one-section-the-area-narrows-causing-an-increase-in-air-flow-speed-keeping-bernoullis-principle-and-the-conditions-for-energy-conservation-in-mind-which-of-the-following-options-best-explains-the-relationship-between-air-pressure-and-velocity-in-the-area-where-the-speed-ramps-up-4d693e9e</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-inertia-is-comprehend-that-a-body-at-rest-or-moving-at-constant-velocity-has-zero-acceleration-and-the-sum-of-the-forces-results-in-zero/a-book-is-sitting-on-a-table-perfectly-still-according-to-newtons-1st-law-what-does-this-tell-us-about-the-forces-acting-on-the-book-9e9948ea</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-thermal-machines-verifying-whether-it-is-possible-or-not-calculate-the-heat-generated-or-the-efficiency-of-notable-cycles-and-thermal-machines/a-thermal-machine-goes-through-a-process-where-it-takes-in-800-j-of-heat-from-a-hot-reservoir-at-600-k-does-300-j-of-work-and-then-releases-the-rest-to-a-cooler-reservoir-at-400-k-based-on-the-laws-of-thermodynamics-and-the-efficiency-of-the-carnot-cycle-for-these-temperatures-determine-if-this-operation-is-feasible-from-a-thermodynamic-perspective-b43ca4ec" />
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/equation-a-hydrogen-like-atom-based-on-the-concepts-of-modern-physics-calculating-for-example-the-radius-of-the-atom-in-the-nth-orbit/when-exploring-atomic-structure-the-bohr-model-played-a-crucial-role-in-explaining-how-electrons-occupy-different-energy-levels-around-the-hydrogen-atom-this-model-allows-us-to-calculate-the-size-of-electron-orbits-at-various-quantum-levels-based-on-the-bohr-model-what-is-the-formula-that-connects-the-radius-of-the-n-th-orbit-of-a-hydrogen-atom-to-its-quantum-levels-61c18803</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-tools-such-as-graphs-to-calculate-the-work-of-a-force-using-the-idea-that-the-area-on-a-force-by-displacement-graph-is-numerically-equal-to-the-work-generated-by-the-force/joao-is-pushing-a-box-across-a-flat-floor-and-measures-the-force-he-exerts-at-various-positions-the-graph-showing-force-versus-displacement-reveals-a-steady-increase-in-force-as-the-box-moves-using-this-graph-how-can-joao-determine-the-work-done-while-pushing-the-box-over-a-specific-distance-a13b4a24</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-internal-energy-of-a-gas-is-and-how-to-calculate-it/a-rigid-container-holds-2-moles-of-an-ideal-gas-at-a-temperature-of-300-k-when-the-gas-is-heated-to-450-k-while-keeping-the-volume-constant-what-is-the-change-in-the-internal-energy-of-the-gas-01008ba3</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-work-done-by-an-elastic-force-comes-from-hookes-law-and-calculate-the-work-of-the-elastic-force-using-the-formula-wkx2/an-engineer-is-designing-a-damping-system-that-uses-springs-to-absorb-shocks-when-compressing-one-of-these-springs-by-04-metres-with-a-spring-constant-of-250-nm-what-is-the-work-done-by-the-elastic-force-during-the-compression-c6592b39</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-electric-charge-is-that-only-negative-charge-is-transmitted-from-one-body-to-another-and-calculate-the-charge-of-a-body-based-on-the-electric-charge-of-an-electron/in-a-physics-lab-two-initially-neutral-conductors-are-brought-into-contact-and-when-they-are-separated-one-of-the-conductors-ends-up-with-a-negative-charge-given-that-only-negative-charges-are-passed-during-contact-and-knowing-that-the-charge-of-an-electron-is-160-10-c-what-is-the-total-number-of-electrons-transferred-to-the-conductor-that-ended-up-with-a-negative-charge-when-its-total-charge-became-320-10-c-762a4833</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-calculation-of-work-and-forces-in-uniform-electric-fields-as-well-as-velocity-at-certain-points/an-electron-moves-through-a-steady-electric-field-that-makes-an-angle-of-30-with-its-direction-of-travel-if-the-electric-force-acting-on-the-electron-is-constant-and-the-displacement-is-02-metres-what-is-the-work-done-by-the-electric-force-during-this-journey-63172df6</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-capacitance-is-calculate-it-or-use-capacitance-to-calculate-charges-or-potential-differences/in-a-home-solar-energy-system-capacitors-are-used-to-store-the-energy-generated-during-the-day-for-use-at-night-if-a-capacitor-has-a-capacitance-of-250-f-and-stores-a-charge-of-15-c-what-is-the-potential-difference-stored-in-this-capacitor-9597bc5f</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-polarization-of-light-and-relate-the-power-of-light-passing-through-a-polarizer-to-the-actual-power-that-passes-through-it/in-a-lab-experiment-a-student-uses-a-polarized-light-source-and-places-two-consecutive-polarizers-the-first-polarizer-is-set-to-filter-light-vertically-and-the-second-polarizer-is-adjusted-at-an-angle-8-relative-to-the-first-one-given-that-the-power-of-the-light-hitting-the-first-polarizer-is-p-what-is-the-power-of-the-light-that-gets-through-the-second-polarizer-55e2a019</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-the-lens-makers-equation-to-calculate-radii-of-curvature-focal-lengths-or-refractive-indices/a-company-that-focuses-on-optics-is-working-on-lenses-for-reading-glasses-these-lenses-are-crafted-from-a-material-that-has-a-refractive-index-of-16-to-achieve-a-focal-length-of-04-metres-one-surface-of-the-lens-has-a-curvature-radius-of-12-metres-using-the-lens-makers-equation-what-should-be-the-curvature-radius-of-the-other-surface-of-the-lens-45173131</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-simple-pendulum-can-have-motion-described-by-simple-harmonic-motion-calculate-the-gravity-of-a-region-or-the-length-or-period-of-a-simple-pendulum/joao-is-exploring-the-movement-of-a-simple-pendulum-to-find-out-the-local-gravitational-acceleration-he-uses-a-string-that-is-080-metres-long-and-observes-that-the-pendulum-swings-back-and-forth-with-a-period-of-160-seconds-based-on-this-information-what-is-the-acceleration-due-to-gravity-in-the-area-where-the-experiment-is-taking-place-e5922d37" />
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/recognize-what-heat-and-temperature-are-the-main-types-of-heat-propagation-such-as-conduction-convection-and-radiation-understand-what-thermal-equilibrium-is/an-engineer-designing-a-cooling-system-for-a-building-recognises-that-heat-produced-indoors-needs-to-be-effectively-managed-to-keep-a-comfortable-environment-to-do-this-he-incorporates-methods-of-conduction-convection-and-radiation-in-heat-transfer-taking-into-account-how-heat-moves-through-materials-what-mix-of-materials-and-design-would-be-most-effective-in-achieving-a-balanced-temperature-indoors-51a4d37c</loc>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-elastic-force-is-which-arises-when-an-elastic-object-such-as-a-spring-or-an-elastic-band-is-stretched-or-compressed-calculate-the-force-exerted-on-a-body-using-the-formula-fkx/a-freight-elevator-operates-using-a-set-of-elastic-springs-to-cushion-the-impact-when-moving-between-floors-when-a-load-with-mass-m-is-lifted-in-the-elevator-the-springs-stretch-by-an-amount-x-due-to-the-force-of-gravity-additionally-the-system-experiences-further-acceleration-caused-by-the-elevators-movement-if-the-elastic-constant-of-each-spring-is-k-and-there-are-two-springs-working-together-to-support-the-load-what-is-the-total-elastic-force-exerted-by-the-springs-to-maintain-equilibrium-in-the-system-ff2b3c3d</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-static-friction-and-dynamic-friction-calculate-the-static-friction-force-acting-on-a-certain-body-and-the-maximum-static-friction-using-the-formula-fn-calculate-the-kinetic-friction-force-using-the-formula-fn/a-truck-is-hauling-a-load-of-50000-kg-on-a-flat-road-the-driver-pulls-on-the-tow-cable-at-an-angle-of-20-above-the-horizontal-to-get-the-load-moving-given-that-the-coefficient-of-static-friction-between-the-load-and-the-road-is-060-calculate-the-minimum-force-needed-to-start-moving-the-load-considering-that-gravity-is-981-ms-3523738e</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-propagation-speed-of-a-wave-using-the-formula-v-lf-also-calculating-the-wavelength-or-frequency/a-telecommunications-technician-is-installing-fibre-optic-cables-to-carry-internet-signals-he-knows-that-the-frequency-of-the-signals-being-used-is-200-mhz-and-that-the-wavelength-in-the-fibre-is-15-metres-based-on-this-info-what-is-the-speed-of-propagation-of-the-waves-in-the-fibre-optic-55c61577</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-use-of-newtons-laws-solve-mechanics-problems-involving-the-calculation-or-use-of-weight-normal-friction-among-other-forces/a-learner-is-pushing-a-10-kg-box-on-a-flat-surface-given-that-the-frictional-force-between-the-box-and-the-floor-is-20-n-what-is-the-acceleration-of-the-box-when-the-learner-applies-a-force-of-60-n-6b52e8d4</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-waves-are-and-differentiate-between-electromagnetic-waves-and-mechanical-waves/in-a-radio-station-signals-are-transmitted-using-electromagnetic-waves-while-music-travels-through-mechanical-waves-in-the-air-with-this-in-mind-what-key-characteristic-sets-electromagnetic-waves-apart-from-mechanical-waves-0891e985</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-simple-harmonic-motion-is-a-movement-in-which-the-acceleration-of-an-object-is-directly-proportional-yet-opposite-in-direction-to-the-objects-displacement-verify-whether-a-body-is-in-shm-or-not/a-scientist-is-observing-a-simple-pendulum-swinging-in-their-lab-they-see-that-when-the-pendulum-is-pulled-away-from-its-resting-position-and-then-let-go-the-acceleration-of-the-pendulum-always-moves-in-the-opposite-direction-to-where-it-was-displaced-based-on-this-observation-which-of-the-following-statements-best-describes-the-type-of-motion-the-pendulum-is-exhibiting-cc10e2d2</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-simple-harmonic-motion-is-a-movement-in-which-the-acceleration-of-an-object-is-directly-proportional-yet-opposite-in-direction-to-the-objects-displacement-verify-whether-a-body-is-in-shm-or-not/a-scientist-is-observing-a-simple-pendulum-swinging-in-their-lab-they-see-that-when-the-pendulum-is-pulled-away-from-its-resting-position-and-then-let-go-the-acceleration-of-the-pendulum-always-moves-in-the-opposite-direction-to-where-it-was-displaced-based-on-this-observation-which-of-the-following-statements-best-describes-the-type-of-motion-the-pendulum-is-exhibiting-cc10e2d2" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/convert-angular-velocity-of-a-point-into-linear-velocity-using-the-formula-vwr-where-v-is-the-linear-velocity-and-w-is-the-angular-velocity/a-technology-park-is-rolling-out-a-rotation-system-featuring-two-concentric-circular-platforms-the-inner-platform-has-a-radius-of-04-meters-and-rotates-at-a-steady-angular-velocity-of-150-rads-the-outer-platform-with-a-radius-of-10-meter-needs-to-be-tweaked-so-that-the-linear-velocity-at-its-edge-is-three-times-that-of-the-linear-velocity-at-the-edge-of-the-inner-platform-what-should-the-angular-velocity-of-the-outer-platform-be-ed1edb23</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-pressure-is-the-ratio-of-a-perpendicular-force-to-a-surface-divided-by-its-area-calculate-the-pressure-generated-on-a-body-or-surface-understand-what-atmospheric-pressure-is/a-dam-is-being-designed-to-hold-a-water-reservoir-given-that-the-maximum-depth-of-the-water-is-30-meters-and-the-atmospheric-pressure-at-the-surface-is-1013-kpa-what-is-the-total-pressure-at-the-bottom-of-the-dam-keep-in-mind-the-density-of-water-is-1000-kgm-and-the-acceleration-due-to-gravity-is-981-ms-57b96dc0</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-aspects-of-the-special-theory-of-relativity-to-calculate-the-alteration-of-space-using-the-g-factor-the-lorentz-factor-which-is-based-on-the-relationship-between-the-speed-of-light-and-the-object/a-rocket-has-a-proper-length-of-200-metres-and-is-travelling-at-a-speed-of-06-times-the-speed-of-light-relative-to-a-space-station-according-to-the-theory-of-special-relativity-what-is-the-length-of-the-rocket-as-observed-by-someone-in-the-space-station-taking-into-account-the-contraction-of-space-a35d451f</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/use-aspects-of-the-special-theory-of-relativity-to-calculate-the-alteration-of-space-using-the-g-factor-the-lorentz-factor-which-is-based-on-the-relationship-between-the-speed-of-light-and-the-object/a-rocket-has-a-proper-length-of-200-metres-and-is-travelling-at-a-speed-of-06-times-the-speed-of-light-relative-to-a-space-station-according-to-the-theory-of-special-relativity-what-is-the-length-of-the-rocket-as-observed-by-someone-in-the-space-station-taking-into-account-the-contraction-of-space-a35d451f" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-the-maxima-and-minima-of-newtons-rings-or-use-it-to-calculate-wavelengths-or-thicknesses-of-bodies/in-an-experiment-with-newtons-rings-a-plano-convex-lens-with-a-curvature-radius-of-020-m-is-placed-on-a-flat-surface-using-monochromatic-light-the-first-two-concentric-rings-observed-have-radii-of-300-cm-and-412-cm-what-is-the-wavelength-of-the-light-used-in-the-experiment-d14a8f0a</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-magnetic-flux-that-passes-through-an-area-verify-if-this-flux-is-constant-or-varied/in-a-physics-lab-a-researcher-sets-up-a-circular-loop-with-a-radius-of-02-m-inside-a-uniform-magnetic-field-with-a-strength-of-08-t-the-loop-is-tilted-so-that-the-angle-between-its-plane-and-the-direction-of-the-magnetic-field-varies-according-to-8t-60-20sinpt-determine-the-magnetic-flux-passing-through-the-loop-and-check-if-this-flux-remains-constant-or-changes-over-time-414aa114</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-first-law-of-thermodynamics-states-that-energy-cannot-be-destroyed-or-created-but-only-transformed-calculate-work-internal-energy-and-exchanged-heat-using-the-first-law/a-scientist-is-running-an-experiment-using-a-cylinder-with-a-movable-piston-to-compress-an-ideal-gas-during-the-compression-he-does-800-j-of-work-on-the-gas-and-notes-that-200-j-of-heat-is-released-into-the-environment-according-to-the-first-law-of-thermodynamics-what-is-the-change-in-the-internal-energy-of-the-gas-during-this-process-507aa4a6</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-first-law-of-thermodynamics-states-that-energy-cannot-be-destroyed-or-created-but-only-transformed-calculate-work-internal-energy-and-exchanged-heat-using-the-first-law/a-scientist-is-running-an-experiment-using-a-cylinder-with-a-movable-piston-to-compress-an-ideal-gas-during-the-compression-he-does-800-j-of-work-on-the-gas-and-notes-that-200-j-of-heat-is-released-into-the-environment-according-to-the-first-law-of-thermodynamics-what-is-the-change-in-the-internal-energy-of-the-gas-during-this-process-507aa4a6" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-snells-law-to-calculate-the-lateral-displacement-of-two-flat-surfaces-that-are-parallel-to-each-other/an-optical-engineer-is-working-on-a-device-that-uses-a-polycarbonate-plate-featuring-two-flat-and-parallel-surfaces-to-redirect-an-incoming-beam-of-light-if-the-refractive-index-of-polycarbonate-is-158-and-the-plate-has-a-thickness-of-3-cm-calculate-the-lateral-displacement-of-the-light-beam-as-it-exits-from-the-plate-when-the-angle-of-incidence-is-25-6e954e77</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-black-hole-is-how-it-works-what-its-origins-are-understand-where-it-might-be-in-the-universe-and-its-characteristics/during-an-astronomical-observation-scientists-come-across-an-object-that-has-an-exceptionally-high-mass-yet-emits-no-detectable-light-they-also-notice-the-movements-of-nearby-stars-that-suggest-a-significant-gravitational-pull-given-these-traits-which-of-the-following-options-most-accurately-describes-the-object-observed-150e5c14</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-black-hole-is-how-it-works-what-its-origins-are-understand-where-it-might-be-in-the-universe-and-its-characteristics/during-an-astronomical-observation-scientists-come-across-an-object-that-has-an-exceptionally-high-mass-yet-emits-no-detectable-light-they-also-notice-the-movements-of-nearby-stars-that-suggest-a-significant-gravitational-pull-given-these-traits-which-of-the-following-options-most-accurately-describes-the-object-observed-150e5c14" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/relate-kinetic-energy-to-the-work-done-by-a-force-solve-problems-using-work-and-kinetic-energy-to-calculate-forces-displacements-or-velocities/a-cyclist-with-a-combined-mass-of-700-kg-powers-up-their-bicycle-from-a-standstill-by-applying-a-steady-force-of-200-n-over-a-flat-stretch-of-250-meters-ignoring-any-resistances-like-air-drag-calculate-the-kinetic-energy-gained-by-the-cyclist-and-the-bicycle-by-the-time-they-reach-the-end-of-the-distance-11340e3f</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/relate-kinetic-energy-to-the-work-done-by-a-force-solve-problems-using-work-and-kinetic-energy-to-calculate-forces-displacements-or-velocities/a-cyclist-with-a-combined-mass-of-700-kg-powers-up-their-bicycle-from-a-standstill-by-applying-a-steady-force-of-200-n-over-a-flat-stretch-of-250-meters-ignoring-any-resistances-like-air-drag-calculate-the-kinetic-energy-gained-by-the-cyclist-and-the-bicycle-by-the-time-they-reach-the-end-of-the-distance-11340e3f" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-elastic-force-is-which-arises-when-an-elastic-object-such-as-a-spring-or-an-elastic-band-is-stretched-or-compressed-calculate-the-force-exerted-on-a-body-using-the-formula-fkx/a-suspension-system-comprises-two-springs-connected-in-parallel-with-one-spring-having-a-spring-constant-of-300-nm-and-the-other-at-450-nm-when-the-vehicle-goes-over-a-pothole-both-springs-are-compressed-by-010-meters-at-the-same-time-what-is-the-total-elastic-force-produced-by-the-system-during-this-compression-c69970b7</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-elastic-force-is-which-arises-when-an-elastic-object-such-as-a-spring-or-an-elastic-band-is-stretched-or-compressed-calculate-the-force-exerted-on-a-body-using-the-formula-fkx/a-suspension-system-comprises-two-springs-connected-in-parallel-with-one-spring-having-a-spring-constant-of-300-nm-and-the-other-at-450-nm-when-the-vehicle-goes-over-a-pothole-both-springs-are-compressed-by-010-meters-at-the-same-time-what-is-the-total-elastic-force-produced-by-the-system-during-this-compression-c69970b7" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/relate-harmonic-motion-with-circular-motion-and-use-that-to-calculate-speeds-and-deformations/a-simple-pendulum-carries-out-harmonic-oscillations-with-an-amplitude-of-04-meters-and-a-period-of-15-seconds-this-motion-can-be-likened-to-the-uniform-circular-motion-of-a-point-on-a-circle-where-the-radius-matches-the-amplitude-of-the-oscillations-given-this-connection-what-is-the-maximum-velocity-of-the-point-during-uniform-circular-motion-846ad746</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/relate-harmonic-motion-with-circular-motion-and-use-that-to-calculate-speeds-and-deformations/a-simple-pendulum-carries-out-harmonic-oscillations-with-an-amplitude-of-04-meters-and-a-period-of-15-seconds-this-motion-can-be-likened-to-the-uniform-circular-motion-of-a-point-on-a-circle-where-the-radius-matches-the-amplitude-of-the-oscillations-given-this-connection-what-is-the-maximum-velocity-of-the-point-during-uniform-circular-motion-846ad746" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-light-reflection-is-comprehend-that-when-there-is-a-reflection-on-a-surface-the-angle-of-incidence-is-equal-to-the-angle-of-reflection/in-a-physics-lab-a-learner-is-conducting-an-experiment-with-a-flat-mirror-they-direct-a-beam-of-light-onto-the-mirror-at-a-particular-angle-in-relation-to-the-normal-of-the-surface-according-to-the-laws-of-reflection-what-angle-is-formed-between-the-reflected-beam-of-light-and-the-normal-0545d9fc</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-light-reflection-is-comprehend-that-when-there-is-a-reflection-on-a-surface-the-angle-of-incidence-is-equal-to-the-angle-of-reflection/in-a-physics-lab-a-learner-is-conducting-an-experiment-with-a-flat-mirror-they-direct-a-beam-of-light-onto-the-mirror-at-a-particular-angle-in-relation-to-the-normal-of-the-surface-according-to-the-laws-of-reflection-what-angle-is-formed-between-the-reflected-beam-of-light-and-the-normal-0545d9fc" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-resultant-force-acting-on-a-body-calculate-the-acceleration-generated-by-these-forces-on-any-body/a-lift-with-a-mass-of-800-kg-is-being-hoisted-upwards-by-two-cables-the-first-cable-pulls-with-a-force-of-600-n-straight-up-while-the-second-cable-pulls-with-a-force-of-400-n-at-an-angle-of-30-to-the-vertical-given-that-the-acceleration-due-to-gravity-is-98-ms-determine-1-the-net-force-acting-on-the-lift-2-the-acceleration-produced-by-the-system-f7424fcc</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-resultant-force-acting-on-a-body-calculate-the-acceleration-generated-by-these-forces-on-any-body/a-lift-with-a-mass-of-800-kg-is-being-hoisted-upwards-by-two-cables-the-first-cable-pulls-with-a-force-of-600-n-straight-up-while-the-second-cable-pulls-with-a-force-of-400-n-at-an-angle-of-30-to-the-vertical-given-that-the-acceleration-due-to-gravity-is-98-ms-determine-1-the-net-force-acting-on-the-lift-2-the-acceleration-produced-by-the-system-f7424fcc" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-use-of-the-first-law-of-thermodynamics-and-calculate-volume-pressure-temperature-of-gaseous-transformations/a-thermal-engine-operates-using-an-ideal-gas-thats-contained-within-a-movable-piston-during-one-complete-cycle-the-gas-goes-through-an-isobaric-transformation-followed-by-an-adiabatic-transformation-given-that-the-pressure-stays-constant-during-the-isobaric-transformation-and-that-theres-no-heat-exchange-in-the-adiabatic-transformation-which-of-the-following-scenarios-best-describes-how-the-temperature-of-the-gas-changes-during-these-processes-7b529aff</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-use-of-the-first-law-of-thermodynamics-and-calculate-volume-pressure-temperature-of-gaseous-transformations/a-thermal-engine-operates-using-an-ideal-gas-thats-contained-within-a-movable-piston-during-one-complete-cycle-the-gas-goes-through-an-isobaric-transformation-followed-by-an-adiabatic-transformation-given-that-the-pressure-stays-constant-during-the-isobaric-transformation-and-that-theres-no-heat-exchange-in-the-adiabatic-transformation-which-of-the-following-scenarios-best-describes-how-the-temperature-of-the-gas-changes-during-these-processes-7b529aff" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-radiation-can-be-a-type-of-electromagnetic-wave-recognize-the-types-of-radiation-and-their-impacts-on-human-health/these-days-its-hard-to-avoid-devices-that-give-off-electromagnetic-waves-from-our-phones-and-laptops-to-medical-equipment-however-the-different-types-of-radiation-can-have-varying-impacts-on-our-health-when-we-think-about-electromagnetic-waves-which-type-is-most-often-linked-to-harmful-effects-like-a-higher-risk-of-skin-cancer-98b95966</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-radiation-can-be-a-type-of-electromagnetic-wave-recognize-the-types-of-radiation-and-their-impacts-on-human-health/these-days-its-hard-to-avoid-devices-that-give-off-electromagnetic-waves-from-our-phones-and-laptops-to-medical-equipment-however-the-different-types-of-radiation-can-have-varying-impacts-on-our-health-when-we-think-about-electromagnetic-waves-which-type-is-most-often-linked-to-harmful-effects-like-a-higher-risk-of-skin-cancer-98b95966" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-renewable-and-non-renewable-energy-recognize-what-the-main-sources-of-renewable-energy-are-and-which-are-under-development/in-light-of-the-increasing-demand-for-energy-and-the-urgent-need-to-limit-greenhouse-gas-emissions-a-region-blessed-with-plenty-of-sunshine-flowing-rivers-and-areas-with-strong-winds-is-looking-to-enhance-its-energy-portfolio-taking-into-account-the-environmental-factors-and-the-natural-resources-available-what-renewable-energy-strategy-can-be-implemented-to-maximise-energy-efficiency-while-minimising-ecological-footprint-in-this-region-2f392246</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-renewable-and-non-renewable-energy-recognize-what-the-main-sources-of-renewable-energy-are-and-which-are-under-development/in-light-of-the-increasing-demand-for-energy-and-the-urgent-need-to-limit-greenhouse-gas-emissions-a-region-blessed-with-plenty-of-sunshine-flowing-rivers-and-areas-with-strong-winds-is-looking-to-enhance-its-energy-portfolio-taking-into-account-the-environmental-factors-and-the-natural-resources-available-what-renewable-energy-strategy-can-be-implemented-to-maximise-energy-efficiency-while-minimising-ecological-footprint-in-this-region-2f392246" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-reference-frame-is-a-system-that-can-be-used-to-describe-the-motion-of-a-system-which-can-be-moving-or-at-rest-find-the-position-of-an-object-in-a-given-reference-system/a-vehicle-is-cruising-at-a-steady-speed-of-60-kmh-on-a-straight-road-at-the-same-moment-a-cyclist-sets-off-from-the-same-point-but-heads-in-the-opposite-direction-travelling-at-a-constant-speed-of-20-kmh-considering-the-road-as-an-inertial-reference-frame-determine-the-relative-position-of-the-cyclist-in-relation-to-the-vehicle-after-25-hours-of-travel-which-of-the-alternatives-correctly-describes-this-position-8a30431e</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/recognize-the-main-graphs-of-uniform-rectilinear-motion-use-the-graphs-of-uniform-motion-to-solve-uniform-motion-issues/a-train-travels-in-a-straight-line-at-a-steady-speed-of-80-kmh-throughout-its-journey-given-the-consistent-motion-of-this-train-what-does-the-graph-of-position-as-a-function-of-time-look-like-277fb950</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/recognize-the-main-graphs-of-uniform-rectilinear-motion-use-the-graphs-of-uniform-motion-to-solve-uniform-motion-issues/a-train-travels-in-a-straight-line-at-a-steady-speed-of-80-kmh-throughout-its-journey-given-the-consistent-motion-of-this-train-what-does-the-graph-of-position-as-a-function-of-time-look-like-277fb950" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-latent-heat-solve-problems-involving-heat-exchanges-with-state-changes-such-as-the-change-from-ice-to-water/an-engineer-is-working-on-a-refrigeration-system-that-uses-ice-fusion-to-absorb-heat-he-needs-to-figure-out-how-much-ice-is-necessary-to-cool-down-2-kg-of-water-from-30c-to-room-temperature-at-25c-given-that-the-specific-heat-of-water-is-418-jgc-and-the-latent-heat-of-fusion-of-ice-is-334-jg-what-is-the-least-amount-of-ice-that-must-be-added-to-reach-the-target-cooling-61b68b21</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-latent-heat-solve-problems-involving-heat-exchanges-with-state-changes-such-as-the-change-from-ice-to-water/an-engineer-is-working-on-a-refrigeration-system-that-uses-ice-fusion-to-absorb-heat-he-needs-to-figure-out-how-much-ice-is-necessary-to-cool-down-2-kg-of-water-from-30c-to-room-temperature-at-25c-given-that-the-specific-heat-of-water-is-418-jgc-and-the-latent-heat-of-fusion-of-ice-is-334-jg-what-is-the-least-amount-of-ice-that-must-be-added-to-reach-the-target-cooling-61b68b21" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-propagation-speed-of-a-wave-using-the-formula-v-lf-also-calculating-the-wavelength-or-frequency/a-seismologist-examines-seismic-waves-produced-by-an-earthquake-he-notices-that-one-of-these-waves-has-a-wavelength-of-155-meters-and-a-frequency-of-20-hz-based-on-this-information-what-is-the-speed-at-which-this-seismic-wave-travels-c7a6376f</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-propagation-speed-of-a-wave-using-the-formula-v-lf-also-calculating-the-wavelength-or-frequency/a-seismologist-examines-seismic-waves-produced-by-an-earthquake-he-notices-that-one-of-these-waves-has-a-wavelength-of-155-meters-and-a-frequency-of-20-hz-based-on-this-information-what-is-the-speed-at-which-this-seismic-wave-travels-c7a6376f" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-internal-energy-of-a-gas-is-and-how-to-calculate-it/in-a-closed-system-an-ideal-gas-undergoes-an-isothermal-expansion-keeping-the-temperature-steady-while-doing-work-on-the-surroundings-given-the-connection-between-internal-energy-and-temperature-for-ideal-gases-what-is-the-change-in-internal-energy-of-this-gas-during-the-expansion-577c383a</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-internal-energy-of-a-gas-is-and-how-to-calculate-it/in-a-closed-system-an-ideal-gas-undergoes-an-isothermal-expansion-keeping-the-temperature-steady-while-doing-work-on-the-surroundings-given-the-connection-between-internal-energy-and-temperature-for-ideal-gases-what-is-the-change-in-internal-energy-of-this-gas-during-the-expansion-577c383a" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/perform-calculations-regarding-the-movements-of-objects-on-earth-in-the-solar-system-and-in-the-universe-based-on-the-analysis-of-gravitational-interactions/an-aerospace-engineer-is-figuring-out-the-weight-of-equipment-that-will-be-transported-to-the-surface-of-venus-on-earth-this-equipment-weighs-120-kg-and-the-acceleration-due-to-gravity-here-is-about-981-ms-knowing-that-venus-has-about-082-times-the-mass-of-earth-and-its-radius-is-roughly-095-times-that-of-earth-what-would-the-weight-of-the-equipment-be-on-venus-a9db3ca6</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/perform-calculations-regarding-the-movements-of-objects-on-earth-in-the-solar-system-and-in-the-universe-based-on-the-analysis-of-gravitational-interactions/an-aerospace-engineer-is-figuring-out-the-weight-of-equipment-that-will-be-transported-to-the-surface-of-venus-on-earth-this-equipment-weighs-120-kg-and-the-acceleration-due-to-gravity-here-is-about-981-ms-knowing-that-venus-has-about-082-times-the-mass-of-earth-and-its-radius-is-roughly-095-times-that-of-earth-what-would-the-weight-of-the-equipment-be-on-venus-a9db3ca6" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-when-a-mobile-object-moves-along-a-path-it-moves-and-its-position-changes-calculate-the-variation-between-two-different-moments-of-a-path-such-as-a-mobile-object-moving-from-position-2-to-position-5/in-a-practical-lesson-a-cart-starts-from-a-standstill-at-an-initial-position-of-2-metres-and-after-5-seconds-moves-to-a-position-of-5-metres-what-was-the-change-in-position-of-the-cart-during-this-period-ecbfe4c3</loc>
    <lastmod>2025-03-12</lastmod>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/understand-that-when-a-mobile-object-moves-along-a-path-it-moves-and-its-position-changes-calculate-the-variation-between-two-different-moments-of-a-path-such-as-a-mobile-object-moving-from-position-2-to-position-5/in-a-practical-lesson-a-cart-starts-from-a-standstill-at-an-initial-position-of-2-metres-and-after-5-seconds-moves-to-a-position-of-5-metres-what-was-the-change-in-position-of-the-cart-during-this-period-ecbfe4c3" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-expansion-of-bodies-specifically-the-surface-expansion-of-an-object-solve-problems-of-holes-in-sheets/an-engineer-is-designing-a-metal-plate-that-will-face-temperature-changes-in-an-industrial-setting-the-plate-has-several-round-holes-meant-for-the-passage-of-electrical-cables-with-an-initial-diameter-of-5000-mm-at-20c-given-that-the-surface-expansion-coefficient-of-the-chosen-metal-is-1200-10-c-what-should-be-the-maximum-temperature-variation-permitted-to-ensure-that-the-diameter-of-the-holes-doesnt-exceed-5005-mm-d5fd70a9</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-expansion-of-bodies-specifically-the-surface-expansion-of-an-object-solve-problems-of-holes-in-sheets/an-engineer-is-designing-a-metal-plate-that-will-face-temperature-changes-in-an-industrial-setting-the-plate-has-several-round-holes-meant-for-the-passage-of-electrical-cables-with-an-initial-diameter-of-5000-mm-at-20c-given-that-the-surface-expansion-coefficient-of-the-chosen-metal-is-1200-10-c-what-should-be-the-maximum-temperature-variation-permitted-to-ensure-that-the-diameter-of-the-holes-doesnt-exceed-5005-mm-d5fd70a9" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-centripetal-acceleration-using-the-formula-avr-and-the-average-tangential-acceleration-by-the-variation-of-the-speed-module-of-a-body-performing-circular-motion/a-cyclist-rides-around-a-circular-track-with-a-radius-of-30-metres-ramping-up-their-speed-from-5-ms-to-15-ms-over-a-period-of-6-seconds-taking-into-account-the-uniformly-varying-circular-motion-which-of-the-following-statements-accurately-explains-the-average-centripetal-and-tangential-accelerations-of-the-cyclist-during-this-ride-63ec7d60</loc>
    <lastmod>2025-03-12</lastmod>
    <changefreq>monthly</changefreq>
    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/calculate-the-centripetal-acceleration-using-the-formula-avr-and-the-average-tangential-acceleration-by-the-variation-of-the-speed-module-of-a-body-performing-circular-motion/a-cyclist-rides-around-a-circular-track-with-a-radius-of-30-metres-ramping-up-their-speed-from-5-ms-to-15-ms-over-a-period-of-6-seconds-taking-into-account-the-uniformly-varying-circular-motion-which-of-the-following-statements-accurately-explains-the-average-centripetal-and-tangential-accelerations-of-the-cyclist-during-this-ride-63ec7d60" />
  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-and-understand-what-momentum-is-and-how-to-calculate-it-using-the-formula-qm-v-where-momentum-is-calculated-by-the-product-of-the-velocity-and-the-mass-of-the-body/a-soccer-player-weighing-80-kg-gives-a-ball-a-kick-making-it-travel-at-a-speed-of-25-ms-what-is-the-momentum-of-the-ball-after-the-kick-ad364aa1</loc>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-in-simple-harmonic-motion-there-is-conservation-of-kinetic-energy-and-calculate-the-velocity-at-certain-points-or-the-deformation-of-the-spring/in-a-physics-lab-a-student-uses-a-mass-spring-system-to-explore-simple-harmonic-motion-given-that-the-total-mechanical-energy-of-the-system-remains-constant-what-is-the-speed-of-the-mass-when-the-spring-is-compressed-by-030-metres-from-the-equilibrium-position-0ab074ff</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/equation-the-hydrogen-atom-based-on-the-bohr-atom-and-the-concepts-of-modern-physics-the-radius-of-the-n-th-orbit-must-be-calculated/a-physicist-uses-the-bohr-model-to-examine-the-hydrogen-atom-knowing-that-the-radius-of-the-atom-in-the-first-orbit-is-053-a-what-is-the-radius-of-the-atom-in-the-third-orbit-according-to-this-model-98d93902</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-renewable-and-non-renewable-energy-recognize-what-the-main-sources-of-renewable-energy-are-and-which-are-under-development/given-the-increasing-concerns-about-climate-change-and-the-necessity-to-secure-energy-for-the-future-a-municipality-is-looking-to-broaden-its-energy-sources-among-the-possibilities-being-explored-are-the-installation-of-solar-panels-wind-turbines-coal-usage-and-the-establishment-of-a-hydroelectric-plant-considering-the-factors-of-renewability-and-the-environmental-impacts-involved-which-option-would-serve-as-the-most-effective-solution-for-ensuring-long-term-energy-sustainability-in-the-area-15c96d95</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-relationship-of-work-by-forces-such-as-elastic-and-weight-with-their-respective-potential-energies/a-diver-needs-to-lift-a-100-kg-box-thats-underwater-at-a-depth-of-10-metres-in-a-water-tank-with-a-density-of-1000-kgm-given-that-the-box-has-a-volume-of-01-m-and-the-buoyant-force-is-at-play-how-much-work-does-the-diver-do-to-bring-the-box-to-the-surface-c5e8a3c4</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-gausss-equation-to-calculate-the-distance-between-images-and-mirrors-based-on-the-mirrors-focal-length-as-well-as-the-linear-magnification/an-astronomer-is-fine-tuning-a-telescope-that-features-a-concave-mirror-with-a-focal-length-of-75-cm-to-observe-a-celestial-object-located-300-cm-away-from-the-mirror-using-the-gaussian-equation-what-is-the-distance-from-the-image-formed-by-the-mirror-to-the-mirror-itself-as-well-as-the-linear-magnification-of-the-image-5a3b2ed3</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-generators-and-receivers-are-find-them-in-a-given-circuit-solve-problems-involving-receivers-and-generators-such-as-finding-the-current-in-a-circuit-containing-a-real-generator/a-technician-is-putting-together-an-electrical-circuit-using-a-generator-with-a-voltage-of-24-v-and-an-internal-resistance-of-3-w-connected-to-two-devices-in-series-a-5-w-resistor-and-a-7-w-lamp-noticing-that-the-current-in-the-circuit-doesnt-meet-the-required-specs-what-adjustment-should-the-technician-make-to-ensure-optimal-current-for-the-devices-without-compromising-system-stability-69b4c0e4</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-the-maxima-and-minima-of-newtons-rings-or-use-it-to-calculate-wavelengths-or-thicknesses-of-bodies/in-a-physics-lab-a-student-uses-a-set-of-newtons-rings-to-find-out-the-wavelength-of-a-light-source-he-notices-that-the-first-two-dark-rings-have-radii-of-060-mm-and-180-mm-respectively-since-the-rings-are-created-by-the-interference-of-light-reflected-in-a-film-of-varying-thickness-calculate-the-wavelength-of-the-light-used-for-the-experiment-use-p-314-and-provide-the-result-rounded-to-two-decimal-places-f42649ec</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-static-friction-and-dynamic-friction-calculate-the-static-friction-force-acting-on-a-certain-body-and-the-maximum-static-friction-using-the-formula-fn-calculate-the-kinetic-friction-force-using-the-formula-fn/an-engineer-is-working-on-a-transport-system-that-involves-carts-moving-along-tracks-to-ensure-that-this-system-operates-smoothly-and-safely-its-crucial-to-calculate-the-static-friction-force-that-needs-to-be-overcome-to-get-the-carts-moving-given-that-the-coefficient-of-static-friction-between-the-carts-and-the-tracks-is-035-and-the-normal-force-acting-on-each-cart-is-600-n-what-is-the-maximum-static-friction-force-that-stops-the-carts-from-moving-a8453019</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-in-uniform-motion-the-speed-does-not-change-use-average-speed-to-calculate-position-or-time-for-displacements-such-as-the-time-needed-for-a-mobile-to-move-a-certain-distance/on-a-bike-ride-joao-is-cycling-at-a-steady-pace-of-20-kmh-hes-planning-his-route-to-cover-a-distance-of-60-km-given-that-hes-maintaining-this-consistent-speed-how-long-will-it-take-joao-to-finish-his-ride-ef8c6fa7</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-trajectory-of-an-object-is-find-the-trajectory-of-some-bodies-as-well-as-describe-that-trajectory-such-as-a-car-traveling-on-a-road-at-constant-speed/a-cyclist-rides-along-a-flat-straight-path-at-a-steady-speed-of-15-kmh-for-2-hours-throughout-the-ride-he-keeps-the-same-speed-and-direction-what-kind-of-path-does-the-cyclist-take-in-this-situation-a7ffd4cf</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-gravitational-potential-energy-of-a-body-and-its-variation-relating-it-to-kinetic-energy-such-as-when-calculating-the-speed-of-a-body-descending-a-ramp-of-a-certain-height/a-cyclist-with-a-mass-m-is-at-the-top-of-a-hill-that-stands-h-metres-above-the-ground-as-they-make-their-way-down-the-hill-without-any-friction-all-of-the-gravitational-potential-energy-transforms-into-kinetic-energy-at-the-bottom-taking-into-account-the-conservation-of-energy-what-will-be-the-cyclists-speed-when-they-reach-the-ground-051d9698</loc>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-sensible-heat-solve-problems-involving-heat-exchanges-and-temperature-changes-such-as-when-mixing-two-masses-of-water-at-different-temperatures/a-research-lab-is-running-an-experiment-to-find-out-the-amount-of-heat-required-to-equalise-the-temperature-of-two-water-masses-at-different-initial-temperatures-the-first-mass-is-18-kg-at-25c-and-the-second-mass-is-25-kg-at-75c-given-that-the-specific-heat-capacity-of-water-is-418-jgc-and-that-theres-no-heat-lost-to-the-environment-what-is-the-thermal-equilibrium-temperature-when-the-two-water-masses-are-mixed-8ba21f2e</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-number-of-negative-and-positive-charges-in-a-system-is-conserved-solve-problems-involving-charge-conservation-mainly-of-identical-bodies/in-an-experiment-a-scientist-has-two-identical-conductive-spheres-the-first-sphere-carries-an-electric-charge-of-4-mc-while-the-second-one-starts-off-with-a-charge-of-1-mc-he-connects-the-two-spheres-and-after-a-while-separates-them-again-considering-the-principle-of-charge-conservation-what-will-the-electric-charge-of-each-sphere-be-after-theyve-been-separated-e7a466d7</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-a-constant-force-remembering-that-work-is-calculated-by-the-product-of-the-distance-traveled-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/during-a-relay-race-an-athlete-pushes-the-baton-with-a-steady-force-of-120-n-at-a-45-angle-to-the-direction-of-movement-he-moves-the-baton-a-distance-of-15-meters-calculate-the-work-done-by-the-force-exerted-by-the-athlete-a5e86679</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-expansion-of-bodies-specifically-the-surface-expansion-of-an-object-solve-problems-of-holes-in-sheets/a-circular-metallic-plate-used-in-industrial-equipment-has-a-diameter-of-100-meter-at-standard-temperature-conditions-when-the-temperature-rises-by-30c-the-plate-expands-on-its-surface-what-will-be-the-new-area-of-the-plate-after-this-expansion-5858ff86</loc>
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  <url>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-problems-involving-the-use-of-ohms-first-law-which-states-that-the-current-passing-through-a-conductor-between-two-points-is-directly-proportional-to-the-voltage-across-the-two-points/an-electrician-is-setting-up-a-basic-circuit-in-a-home-involving-a-voltage-source-and-a-resistor-to-get-everything-running-smoothly-he-needs-to-find-out-the-current-that-flows-through-the-resistor-when-the-applied-voltage-is-24-v-and-the-resistance-of-the-resistor-is-8-w-what-is-the-electric-current-flowing-through-the-resistor-according-to-ohms-first-law-97130e40</loc>
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  </url>
  <url>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-and-calculate-the-main-forces-acting-in-curvilinear-motion-understand-centripetal-force-and-solve-problems-involving-the-use-of-these-forces/a-vehicle-is-taking-a-turn-on-a-road-with-a-curve-radius-of-50-metres-at-a-constant-speed-of-20-ms-the-tyres-of-the-vehicle-provide-the-necessary-force-to-keep-it-moving-along-the-curve-assuming-theres-no-skidding-what-is-the-centripetal-force-acting-on-the-vehicle-023d1a49</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-and-differentiate-pitch-refers-to-the-frequency-of-the-wave-timbre-refers-to-the-quality-of-the-sound-and-volume-refers-to-the-amplitude-of-the-wave-of-a-sound-wave/during-a-band-tuning-session-a-musician-noticed-that-even-though-two-instruments-were-playing-notes-at-the-same-pitch-and-volume-they-had-distinctly-different-sounds-when-examining-the-sound-waves-from-these-instruments-what-aspect-accounts-for-this-difference-in-timbre-ec2b8945</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-a-simple-pendulum-can-have-motion-described-by-simple-harmonic-motion-calculate-the-gravity-of-a-region-or-the-length-or-period-of-a-simple-pendulum/during-a-lab-activity-ana-sets-up-a-simple-pendulum-using-a-piece-of-wire-of-unknown-length-and-a-ball-she-measures-the-time-it-takes-for-the-pendulum-to-swing-back-and-forth-once-and-wants-to-calculate-the-period-of-simple-harmonic-motion-which-of-the-equations-below-correctly-relates-the-period-t-of-the-pendulum-with-the-length-l-and-the-acceleration-due-to-gravity-g-a1c5db69</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-stevins-theorem-is-as-well-as-its-applications-calculate-pressures-at-points-in-a-liquid-using-the-formula-p-p0-d-g-h/an-open-water-reservoir-that-is-exposed-to-the-atmosphere-has-a-total-water-column-height-of-4-metres-we-want-to-determine-the-pressure-at-a-point-that-is-2-metres-below-the-waters-surface-using-stevins-theorem-what-is-the-total-pressure-at-that-depth-0a46de36</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-collision-problems-of-bodies-in-one-dimension-using-the-conservation-of-momentum-during-a-collision/a-runner-weighing-70-kg-is-moving-to-the-right-on-a-smooth-track-at-a-speed-of-4-ms-he-collides-head-on-and-perfectly-inelastically-with-a-scooter-weighing-30-kg-that-is-initially-stationary-after-the-collision-the-runner-and-the-scooter-move-together-then-they-collide-elastically-with-a-second-scooter-weighing-20-kg-that-is-also-at-rest-determine-the-velocities-after-each-collision-and-analyse-how-the-conservation-of-momentum-applies-to-each-stage-of-the-process-b56620ed</loc>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-both-liquids-and-containers-expand-and-that-normally-the-liquid-expands-more-than-the-container-solve-problems-involving-the-expansion-of-liquids-in-containers/in-a-factory-setting-a-sealed-metal-tank-is-utilised-to-hold-a-liquid-which-undergoes-temperature-changes-throughout-the-day-it-has-been-noted-that-as-the-liquid-heats-up-the-liquid-level-in-the-tank-rises-showing-that-both-the-liquid-and-the-container-are-expanding-given-that-the-liquids-volumetric-expansion-is-more-significant-than-the-metal-of-the-tank-what-will-happen-to-the-liquid-level-if-the-temperature-keeps-climbing-past-the-boiling-point-of-the-liquid-provided-that-the-tank-doesnt-burst-94309365</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-radiation-can-be-a-type-of-electromagnetic-wave-recognize-the-types-of-radiation-and-their-impacts-on-human-health/in-a-city-thats-ramping-up-its-telecommunications-infrastructure-several-towers-emitting-radio-and-microwave-waves-are-being-set-up-in-residential-areas-close-to-schools-and-hospitals-recent-studies-have-sparked-discussions-about-the-potential-impacts-of-these-electromagnetic-radiations-on-human-health-particularly-for-vulnerable-groups-given-the-different-types-of-electromagnetic-radiation-involved-in-telecommunications-which-of-the-following-options-best-evaluates-the-potential-risks-these-radiations-pose-to-the-health-of-residents-living-near-these-new-towers-f3c7a295</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-the-average-speed-of-a-gas-is-and-how-to-calculate-it/a-scientist-is-looking-to-compare-the-average-speed-of-molecules-in-an-ideal-gas-under-two-different-conditions-in-the-first-condition-the-gas-is-at-200-k-and-has-a-molar-mass-of-32-gmol-in-the-second-condition-the-gas-is-at-800-k-with-a-molar-mass-of-8-gmol-since-the-average-speed-of-the-molecules-is-influenced-by-the-temperature-and-the-molar-mass-of-the-gas-what-is-the-ratio-of-the-average-speeds-of-the-molecules-in-the-second-condition-compared-to-the-first-3310153c</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/equation-a-hydrogen-like-atom-based-on-the-concepts-of-modern-physics-calculating-for-example-the-radius-of-the-atom-in-the-nth-orbit/while-exploring-atomic-structure-a-student-employs-the-bohr-model-to-figure-out-the-radius-of-the-electron-orbit-in-a-hydrogen-like-atom-given-that-the-principal-quantum-number-is-n-whats-the-correct-formula-for-calculating-the-radius-of-the-n-th-orbit-442c26e4</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-main-graphs-of-uniformly-accelerated-motion-such-as-the-graph-between-velocity-and-position-is-a-line-use-and-solve-problems-involving-graphs-of-uniformly-accelerated-motion/a-vehicle-starts-from-a-standstill-and-shows-uniform-acceleration-during-part-of-its-journey-the-graph-that-connects-speed-to-the-distance-covered-will-be-a-straight-line-in-this-case-of-uniformly-varied-motion-determine-what-the-slope-of-this-line-indicates-in-the-context-of-the-motion-a6713acb</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/solve-general-problems-that-require-the-calculation-of-electric-forces-and-fields-in-various-situations/in-a-physics-lab-we-have-two-negligible-mass-conductive-spheres-that-are-electrically-charged-sphere-a-has-a-charge-of-500-mc-and-is-fixed-at-the-point-of-origin-00-sphere-b-carrying-a-charge-of-300-mc-is-located-600-m-away-from-a-along-the-x-axis-additionally-a-third-sphere-c-with-a-charge-of-200-mc-is-placed-400-m-from-a-directed-perpendicular-to-the-x-axis-what-is-the-magnitude-and-direction-of-the-electric-force-that-sphere-a-exerts-on-sphere-c-45bafa30</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-electric-current-in-a-given-conductor-using-the-ratio-of-the-amount-of-charges-that-pass-through-the-conductor-divided-by-the-time/in-a-factory-electric-machines-play-a-vital-role-in-keeping-the-production-process-running-smoothly-if-one-of-these-machines-allows-36-1018-electric-charges-to-flow-through-its-circuit-in-45-seconds-what-is-the-current-intensity-flowing-in-this-conductor-c507cc72</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-a-resultant-force-acting-on-a-given-object-and-calculate-its-work-by-the-product-of-the-distance-traveled-by-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/a-worker-uses-two-ropes-to-pull-a-box-along-a-flat-surface-the-first-rope-pulls-with-a-force-of-50-n-at-an-angle-of-40-to-the-direction-of-movement-while-the-second-rope-pulls-with-a-force-of-30-n-directly-in-line-with-the-direction-of-movement-the-box-moves-10-meters-in-that-direction-considering-the-forces-applied-what-is-the-work-done-by-the-resultant-force-during-the-boxs-movement-c878dd16</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-the-main-existing-gaseous-transformations-calculate-volume-pressure-temperature-and-number-of-moles-in-gaseous-transformations/a-scientist-is-investigating-the-behaviour-of-an-ideal-gas-trapped-in-a-movable-piston-during-an-experiment-the-gas-undergoes-an-adiabatic-transformation-followed-by-an-isobaric-transformation-given-the-initial-conditions-of-pressure-volume-and-temperature-what-will-be-the-final-volume-of-the-gas-after-these-two-transformations-4c7a0fe4</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-photons-are-and-calculate-their-energy-or-quantities/a-solar-panel-is-being-designed-to-convert-sunlight-into-electrical-energy-using-the-concept-of-photons-if-the-light-striking-the-panel-has-a-frequency-of-75-1014-hz-what-is-the-energy-of-each-photon-of-this-light-6275f575</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-a-constant-force-remembering-that-work-is-calculated-by-the-product-of-the-distance-traveled-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/a-worker-is-pushing-a-box-with-a-constant-force-of-12000-n-at-an-angle-of-2500-to-the-horizontal-the-box-moves-horizontally-over-a-distance-of-1500-metres-on-the-smooth-floor-of-a-warehouse-given-that-only-the-applied-force-does-work-on-the-box-what-is-the-work-done-by-the-worker-106716af</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-gravitational-force-of-the-earth-as-a-function-of-the-earths-radius-calculate-the-gravity-of-other-planets-based-on-their-mass-and-radius-and-the-universal-constant/an-object-with-mass-m-is-situated-on-the-surface-of-the-earth-the-gravitational-force-between-the-earth-and-the-object-depends-on-the-mass-of-the-earth-m-the-earths-radius-r-and-the-universal-gravitational-constant-g-how-does-the-gravitational-force-of-the-earth-on-the-object-change-as-a-function-of-the-earths-radius-2ef202a8</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-thermodynamic-cycle-is-and-solve-problems-involving-thermodynamic-cycles-with-calculations-of-heat-exchanged-internal-energy-or-work-done/a-power-plant-employs-a-thermodynamic-cycle-to-transform-heat-from-burning-fuels-into-mechanical-energy-in-this-process-the-thermal-machine-takes-in-2500-j-of-heat-from-the-hot-source-and-releases-1500-j-to-the-cold-reservoir-based-on-thermodynamic-principles-what-is-the-efficiency-of-this-thermodynamic-cycle-311b0ec4</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-in-uniform-motion-the-speed-does-not-change-use-average-speed-to-calculate-position-or-time-for-displacements-such-as-the-time-needed-for-a-mobile-to-move-a-certain-distance/during-a-scientific-expedition-a-team-sets-off-with-two-vehicles-cruising-at-steady-speeds-to-explore-a-remote-area-vehicle-a-travels-at-a-steady-60-kmh-and-departs-at-first-light-two-hours-later-vehicle-b-begins-the-same-trek-at-a-constant-speed-of-80-kmh-assuming-both-vehicles-keep-their-speeds-constant-work-out-how-many-hours-after-the-start-of-the-expedition-vehicle-b-will-catch-up-with-vehicle-a-and-the-distance-both-vehicles-will-have-travelled-by-that-point-e0d03f33</loc>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/relate-harmonic-motion-with-circular-motion-and-use-that-to-calculate-speeds-and-deformations/a-mass-spring-system-oscillates-with-simple-harmonic-motion-where-the-position-of-the-mass-is-described-by-xt-a-coswt-this-motion-can-be-visualised-as-the-projection-of-a-point-moving-in-uniform-circular-motion-with-radius-a-and-angular-velocity-w-along-the-x-axis-given-this-analogy-lets-explore-how-the-instantaneous-velocity-of-the-mass-in-simple-harmonic-motion-relates-to-the-tangential-velocity-of-the-point-in-uniform-circular-motion-cdc9108c</loc>
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    <xhtml:link rel="alternate" hreflang="en-US" href="https://www.teachy.app/en/question/high-school/physics-en/relate-harmonic-motion-with-circular-motion-and-use-that-to-calculate-speeds-and-deformations/a-mass-spring-system-oscillates-with-simple-harmonic-motion-where-the-position-of-the-mass-is-described-by-xt-a-coswt-this-motion-can-be-visualised-as-the-projection-of-a-point-moving-in-uniform-circular-motion-with-radius-a-and-angular-velocity-w-along-the-x-axis-given-this-analogy-lets-explore-how-the-instantaneous-velocity-of-the-mass-in-simple-harmonic-motion-relates-to-the-tangential-velocity-of-the-point-in-uniform-circular-motion-cdc9108c" />
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-a-constant-force-remembering-that-work-is-calculated-by-the-product-of-the-distance-traveled-the-value-of-the-force-and-the-cosine-of-the-angle-formed-between-them/a-worker-is-pulling-a-box-with-a-rope-that-makes-a-37-degree-angle-with-the-ground-he-applies-a-steady-force-of-250-n-to-move-the-box-a-distance-of-15-metres-on-a-flat-surface-taking-into-account-that-the-only-resistance-to-motion-is-a-constant-friction-force-of-100-n-what-is-the-total-amount-of-work-done-by-the-force-applied-by-the-worker-throughout-the-entire-movement-33a4dfc4</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-electric-charge-is-that-only-negative-charge-is-transmitted-from-one-body-to-another-and-calculate-the-charge-of-a-body-based-on-the-electric-charge-of-an-electron/in-a-frictional-electricity-experiment-a-student-moves-250-x-10-electrons-from-one-object-to-another-given-that-the-elementary-charge-of-an-electron-is-160-x-10-c-what-will-be-the-electric-charge-on-the-object-that-has-received-the-electrons-52a5e279</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-how-the-solar-system-works-its-main-components-understand-the-interactions-between-the-main-components-of-the-solar-system/in-a-simulation-of-the-solar-system-a-learner-decides-to-cut-the-distance-between-the-sun-and-the-earth-down-to-half-of-what-it-is-in-reality-considering-how-gravity-interacts-between-them-how-will-this-change-affect-earths-orbital-period-around-the-sun-358656ec</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/differentiate-between-penumbra-and-shadow-and-recognize-them-in-a-drawing/when-light-from-a-point-source-strikes-an-opaque-object-distinct-shadow-areas-develop-around-it-by-observing-these-regions-we-can-identify-spots-of-total-shadow-and-areas-of-partial-shadow-in-this-context-which-of-the-alternatives-best-distinguishes-penumbra-from-total-shadow-f75c0538</loc>
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  <url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/recognize-the-main-means-of-motion-transmission-calculate-the-transmitted-motion-in-gears/in-a-machinery-factory-two-gears-work-together-to-transmit-movement-the-driving-gear-has-20-teeth-and-revolves-at-a-speed-of-120-revolutions-per-minute-rpm-if-we-assume-theres-no-energy-loss-in-the-system-what-will-be-the-rotational-speed-of-the-driven-gear-which-has-40-teeth-8d9df24f</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-hydrostatic-pressure-which-is-the-pressure-exerted-by-a-fluid-at-rest-due-to-the-force-of-gravity-remembering-that-it-increases-with-the-depth-of-the-fluid/in-a-hydraulic-system-set-up-in-a-compression-machine-there-are-two-pistons-linked-by-a-reservoir-filled-with-incompressible-fluid-piston-a-where-the-force-is-applied-has-an-area-of-005-m-and-is-positioned-at-a-depth-of-4-meters-below-the-fluid-surface-piston-b-which-carries-out-the-work-has-an-area-of-020-m-using-pascals-theorem-and-taking-into-account-the-increase-in-hydrostatic-pressure-due-to-depth-what-force-needs-to-be-applied-to-piston-a-to-exert-a-force-of-500-n-on-piston-b-b3e908ac</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-gravitational-potential-energy-of-a-body-and-its-variation-relating-it-to-kinetic-energy-such-as-when-calculating-the-speed-of-a-body-descending-a-ramp-of-a-certain-height/a-block-weighing-200-kg-is-set-at-the-top-of-an-inclined-ramp-that-rises-to-a-height-of-500-meters-above-ground-level-assuming-no-air-resistance-and-neglecting-friction-calculate-the-speed-of-the-block-when-it-reaches-the-bottom-of-the-ramp-using-the-principles-of-gravitational-potential-energy-and-kinetic-energy-9393f05a</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-radiation-can-be-a-type-of-electromagnetic-wave-recognize-the-types-of-radiation-and-their-impacts-on-human-health/in-a-city-setting-its-quite-normal-to-encounter-various-sources-of-electromagnetic-radiation-like-radio-transmission-towers-and-home-appliances-while-this-radiation-is-crucial-for-communication-and-our-daily-activities-prolonged-exposure-can-carry-risks-to-human-health-given-the-different-kinds-of-electromagnetic-radiation-which-of-the-following-statements-accurately-describes-their-properties-and-effects-on-health-0ded9777</loc>
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  </url>
  <url>
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  </url>
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  </url>
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  </url>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-aspects-of-the-special-theory-of-relativity-to-calculate-time-dilation-using-the-lorentz-factor-g-which-is-based-on-the-relationship-between-the-speed-of-light-and-the-speed-of-the-object/an-astronaut-sets-off-on-a-space-mission-flying-at-a-constant-speed-of-08-times-the-speed-of-light-08c-in-relation-to-earth-according-to-the-theory-of-special-relativity-time-dilation-effects-come-into-play-between-the-time-measured-on-the-spacecraft-and-the-time-measured-by-observers-back-on-earth-taking-into-account-the-lorentz-factor-tied-to-this-speed-what-is-the-connection-between-the-proper-time-felt-by-the-astronaut-and-the-time-that-passes-on-earth-during-the-journey-aba98898</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/recognize-the-main-electrical-measuring-devices-such-as-the-ammeter-and-voltmeter-as-well-as-differentiate-between-real-and-ideal-devices-solve-measurement-problems-of-a-voltmeter-or-ammeter/a-physics-student-is-putting-together-a-simple-circuit-that-includes-a-battery-two-resistors-and-a-bulb-to-measure-the-current-flowing-through-the-second-resistor-he-connects-an-ammeter-into-the-circuit-he-also-uses-a-voltmeter-to-check-the-voltage-across-the-bulb-given-that-the-instruments-used-are-ideal-what-is-the-correct-arrangement-of-these-measuring-devices-in-the-circuit-to-get-the-desired-readings-0fc1adae</loc>
    <lastmod>2025-03-12</lastmod>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-hydrostatic-pressure-which-is-the-pressure-exerted-by-a-fluid-at-rest-due-to-the-force-of-gravity-remembering-that-it-increases-with-the-depth-of-the-fluid/in-a-mechanical-workshop-a-hydraulic-press-is-used-which-consists-of-two-pistons-with-different-surface-areas-connected-by-a-fluid-that-doesnt-compress-when-you-apply-a-force-to-the-smaller-piston-it-creates-a-greater-force-on-the-larger-piston-enabling-it-to-lift-heavy-loads-according-to-pascals-theorem-what-should-the-relationship-between-the-surface-areas-of-the-pistons-be-so-that-a-force-of-150-n-on-the-smaller-piston-results-in-a-force-of-600-n-on-the-larger-piston-e37735d3</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-the-general-gas-equation-to-calculate-pressure-volume-temperature-and-number-of-moles-of-a-given-ideal-gas/in-a-lab-a-rigid-balloon-holds-180-m-of-an-ideal-gas-under-a-pressure-of-200-kpa-and-a-temperature-of-350-k-when-the-gas-temperature-is-increased-to-500-k-the-number-of-moles-in-the-balloon-needs-to-be-adjusted-to-keep-the-pressure-steady-what-will-be-the-new-number-of-moles-of-gas-in-the-balloon-c7bbcc3b</loc>
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  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-uniformly-varied-circular-motion-is-calculate-angular-acceleration-angular-velocities-period-and-angular-displacements/a-cyclist-is-riding-on-a-circular-track-with-a-radius-of-50-metres-he-starts-off-from-rest-and-accelerates-steadily-reaching-an-angular-velocity-of-2-rads-after-10-seconds-in-light-of-the-uniformly-variable-circular-motion-what-is-the-angular-acceleration-of-the-cyclist-during-this-time-e76a0ebb</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/find-the-reactions-of-the-main-forces-such-as-the-reaction-to-the-weight-force-and-the-normal-force-understand-that-every-force-will-have-a-reaction-of-the-same-magnitude-and-direction-but-opposite-senses/a-basketball-player-is-leaping-in-the-air-while-holding-the-ball-with-a-force-of-10-n-pushing-upwards-at-the-same-time-he-propels-the-ball-forward-with-a-force-of-15-n-in-the-horizontal-direction-according-to-newtons-third-law-what-are-the-reaction-forces-that-correspond-to-the-actions-carried-out-by-the-player-628e5d81</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-torque-of-a-force-is-a-measure-of-the-tendency-to-rotate-a-certain-body-and-calculate-it-using-the-formula-tf-x-d-x-sin-a/a-learner-is-carrying-out-an-experiment-in-the-physics-lab-using-a-bar-to-exert-force-on-a-pivot-pin-he-pushes-the-bar-with-a-force-of-80-n-at-a-distance-of-04-meters-from-the-pin-forming-a-45-degree-angle-with-the-direction-of-the-force-what-is-the-torque-created-by-the-applied-force-on-the-pivot-pin-2e37114c</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/calculate-the-work-done-by-the-weight-force-using-the-formula-tmgh-which-is-the-product-of-mass-gravity-and-the-change-in-height/an-engineer-operates-a-crane-to-shift-a-500-kg-steel-beam-horizontally-over-a-distance-of-20-meters-while-also-lifting-it-to-a-height-of-4-meters-taking-the-acceleration-due-to-gravity-as-981-ms-and-assuming-that-the-force-exerted-by-the-crane-remains-constant-and-that-other-forces-are-negligible-what-is-the-work-done-by-the-gravitational-force-during-the-movement-of-the-beam-482abd36</loc>
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    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-what-a-flat-mirror-is-verify-that-the-distance-from-the-flat-mirror-to-the-image-is-equal-to-the-distance-from-the-mirror-to-the-object-solve-problems-involving-flat-mirrors/in-a-mechanics-workshop-a-flat-mirror-was-installed-12-metres-away-from-the-workbench-where-the-tools-are-set-up-a-mechanic-places-a-tool-04-metres-from-the-mirror-to-check-its-alignment-using-the-reflected-image-considering-the-properties-of-flat-mirrors-what-is-the-distance-between-the-mirror-and-the-image-of-the-tool-bb322762</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/use-the-lens-makers-equation-to-calculate-radii-of-curvature-focal-lengths-or-refractive-indices/a-lens-manufacturer-is-developing-a-convex-lens-for-a-camera-that-needs-a-focal-length-of-50-cm-given-that-the-refractive-index-of-the-material-used-is-15-and-that-the-second-surface-of-the-lens-is-flat-what-should-be-the-radius-of-curvature-of-the-first-surface-of-the-lens-to-meet-the-requirements-c0750172</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/verify-that-when-looking-at-an-object-in-water-or-another-medium-its-position-to-us-is-not-its-real-position-calculate-its-real-or-apparent-position-based-on-the-medium-and-the-real-or-apparent-position/a-diver-is-looking-at-a-rock-sitting-at-the-bottom-of-a-pond-while-floating-on-the-surface-because-of-the-different-refractive-indices-between-water-and-air-the-rock-seems-to-be-in-a-different-place-than-where-it-actually-is-given-that-the-refractive-index-of-water-is-133-and-the-index-for-air-is-100-what-does-the-diver-see-as-the-position-of-the-rock-f443f549</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-first-law-of-thermodynamics-states-that-energy-cannot-be-destroyed-or-created-but-only-transformed-calculate-work-internal-energy-and-exchanged-heat-using-the-first-law/a-piston-contains-a-specific-quantity-of-ideal-gas-when-the-gas-is-heated-it-absorbs-heat-q-and-performs-work-w-by-causing-the-piston-to-expand-according-to-the-first-law-of-thermodynamics-which-of-the-following-options-correctly-describes-how-the-internal-energy-of-the-gas-changes-775575cd</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/understand-that-the-torque-of-a-force-is-a-measure-of-the-tendency-to-rotate-a-certain-body-and-calculate-it-using-the-formula-tf-x-d-x-sin-a/an-engineer-is-designing-a-cantilever-bridge-with-a-4-meter-span-on-the-deck-a-worker-applies-a-force-of-300-n-at-a-distance-of-15-meters-from-the-support-point-making-an-angle-of-45-degrees-with-the-horizontal-at-the-same-time-another-worker-applies-a-force-of-200-n-at-2-meters-from-the-support-point-creating-a-90-degree-angle-with-the-horizontal-what-is-the-total-torque-at-the-support-point-resulting-from-these-forces-cc0de535</loc>
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  </url>
  <url>
    <loc>https://www.teachy.app/en/question/high-school/physics-en/based-on-the-wave-assumption-calculate-the-troughs-crests-or-the-resulting-amplitude-of-a-wave-superposition/in-a-physics-lab-two-generators-create-sinusoidal-waves-that-travel-in-the-same-direction-along-a-string-each-wave-has-an-amplitude-of-250-cm-and-they-are-perfectly-in-sync-considering-how-these-waves-come-together-what-will-be-the-resultant-amplitude-at-the-point-where-they-intersect-07abdbf6</loc>
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  </url>
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