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QUESTION
A 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance.
A 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. Find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earth's velocity. Earth's mass is .Show all your work, assuming the rock-earth system is closed.
