A cart is set rolling across a level table, at the samespeed on every trial. If it runs
Chapter 7, Problem 4(choose chapter or problem)
A cart is set rolling across a level table, at the samespeed on every trial. If it runs into a patch of sand, thecart exerts on the sand an average horizontal force of6 N and travels a distance of 6 cm through the sand asit comes to a stop. If instead the cart runs into a patchof gravel on which the cart exerts an average horizontalforce of 9 N, how far into the gravel will the cart rollbefore stopping? (a) 9 cm (b) 6 cm (c) 4 cm (d) 3 cm(e) none of those answers
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