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A block slides a distance d down a frictionless plane and then comes to a stop a

ID: 2195421 • Letter: A

Question

A block slides a distance d down a frictionless plane and then comes to a stop after sliding a distance s across a rough horizontal plane, as shown in the accompanying figure. What fraction of the distance s does the block slide before its speed is reduced to one-third of the maximum speed it had at the bottom of the ramp? What fraction of the distance s does the block slide before its speed is reduced to one-third of the maximum speed it had at the bottom of the ramp? a. s/3 b.2s/3 c.s/9 d. 8s/9

Explanation / Answer

d. 8s/9

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