A 330 kg piano is pushed 36 m up a 28 degree incline by, Ask an Expert

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a 330 kg piano is pushed 3.6 m up a 28 degree incline by three men starting at rest at the bottom of the hill and ending at 41 cm/s.. The effective coefficient of kinetic friction is 0.40. What is the net work done on the piano as it is pushed uphill?

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