How much work is done upon the crate by friction

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A 9.2 kg crate is pulled up an incline with initial speed of 1.2 m/s A pulling force of 105N is applied parallel to surface of incline which is at angle of 21.8 degrees to horizontal The coefficient of kinetic friction is .32 and crate is pulled distance of 7.3 m
How much work is done upon the crate by friction
How much work is done upon the crate by puller

Reference no: EM13247629

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