Question: A 6 kg block is sliding across a horizontal surface. The initial speed of the block is 3 m / s , but because of

A 6 kg block is sliding across a horizontal surface. The initial speed of the block is 3 m/s, but because of friction the blocks speed will decrease at a constant rate (i.e., constant acceleration) until the block finally comes to a stop after sliding 8 m. What is the average power (in W) supplied by friction as the block slows to a stop?

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