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a person pulls a toboggan of mass M=5kg from rest for a distance of 35.0 m...

a person pulls a toboggan of mass M=5kg from rest for a distance of 35.0 m along the snow with a rope directed 25 degrees above the snow. the tension in the rope is 30N. (a) if the coefficient of kinetic friction between the toboggan and the snow if uk= 0.5, what is the work done by the friction? (what is the final speed of the toboggan?
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