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Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp
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Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.
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What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?
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50 points Is water wet? SERIOUS ANSWERS ONLY-must have a detailed response! I will get the better re...
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