Solution: The 10 lb block travels to the right at v(a)=2 ft/s at the instant shown. If the coefficient of kinetic friction is .2 between the surface and A, determine the velocity of A when it has moved 4 ft. Block B has a weight of 20 lb.

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The 10 lb block travels to the right at v(a)=2 ft/s at the instant shown. If the coefficient of kinetic friction is .2 between the surface and A, determine the velocity of A when it has moved 4 ft. Block B has a weight of 20 lb.