Physics, 19.02.2021 02:20 emilypzamora11
A caveman pushes on a rock with a force of 1000 N. The rock does not move. How much work did the caveman do?
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Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?
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How much energy is supplied to each coulomb of charge that flows through a 12-v battery?
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A caveman pushes on a rock with a force of 1000 N. The rock does not move. How much work did the cav...
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