A block of mass m 309 g is dragged with a string across a


A block of mass m = 309 g is dragged with a string across a rough horizontal table. The string tension is T = 3.59 N, and it pulls upward at an angle of Ï? = 48.0° with the horizontal. At one particular instant the block is moving at a speed of v = 5.5 m/s. The coefficient of kinetic friction between the block and the table is μk = 0.639.

What is the power supplied by the force of friction?

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Physics: A block of mass m 309 g is dragged with a string across a
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