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A person pulls a 50-kg crate over a displacement of 40-m along a horizontal floor with...

A person pulls a 50-kg crate over a displacement of 40-m along a horizontal floor with a rope of 100N tension. The rope makes an angle of 37o with the horizontal surface. The floor is rough, exerting a friction force of 60 N. (a) Determine the work done by each of the forces acting on the crate. (b) Determine the final speed of the crate assuming it started from rest.

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