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The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?
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The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?
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What is an electric motor? explain its operation. 2-3 sentence
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Based on this activity, is kinetic energy always transformed into potential energy?
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A ball feels a force of 20N acting on it upwards for 3s. What is the ball’s impulse?...
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