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A ball of mass 5.93 kg is released from rest at height 7.62 m above the...

A ball of mass 5.93 kg is released from rest at height 7.62 m above the floor. It falls, hits the ground, and rebounds to height 3.2 m above the floor. Assume none of the losses are due to air friction. Find the work done against friction, in J, on the ball during the contact with the ground
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