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Please Solve the Problem Below: 5. A 380kg piano slides 3.9m down a 27 degree incline and is kept from accelerating by a man who

Please Solve the Problem Below:

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5. A 380kg piano slides 3.9m down a 27 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. Determine the force exerted by the man, the work done by the man on the piano, the work done by the force of gravity, and the net work done on the piano

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