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A crate of mass 39kg is pushed up a ramp by a person. The person pushes the crate a distance of 19m we measured along

A crate of mass 39kg is pushed up a ramp by a person. The person pushes the crate a distance of 19m we measured along the ramp. Assume the crate moves at constant velcoit. Assume the coefficient of kinetic friction between the crate and the ramp is mk=0.37. What is the work done by the person as he pushed the crate up the ramp?

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