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A 1.0 kg block is initially at rest on a bench. It is pushed a distance 5.0 m with a force of 50 N. The coefficient of kinetic friction between the block and the benchtop is 0.30 What is the energy dissipated by friction? A) 10 J B) 15 J C) 20 J D) 25 J E) 30 J

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