A crate of mass 31 kg is pushed up a ramp by a person as shown in the figure below. The person pushes the crate a distance of 29 m as measured along the ramp. Assume the crate moves at constant velocity. Assume the coefficient of kinetic friction between the crate and the ramp is
?K = 0.37.
What is the work done by the person as he pushes the crate up the ramp?

***Note the ramp angle theta = 30 degrees


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