Question: You push a 67-kg box across a floor where the coefficient of kinetic friction is k = 0.55. The force you exert is horizontal. (a)

You push a 67-kg box across a floor where the coefficient of kinetic friction is μk = 0.55. The force you exert is horizontal.
(a) How much power is needed to push the box at a speed of 0.50 m/s?
(b) How much work do you do if you push the box for 35 s?

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