You apply a horizontal force to push a 10-kg box across a rough floor with a coefficient of frictio…

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You apply a horizontal force to push a 10-kg box across a rough floor with a coefficient of friction μk = 0.10. How much work do you need to do every second to keep the box moving with a constant speed of 3.0 m/s? Hint: What must be true if the box moves with quot;constant speed quot;? Prof. B is explaining the situation as follows: quot;Since the box moves with constant speed, its kinetic energy does not change. Therefore, by the work-energy theorem, the work done by you on the block must be zero quot;. Do you agree? Please explain.

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  1. Harris Anderson
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