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.

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

1 answer

8s/9