Question

# A 8.00 kg box is pulled by a horizontal wire in a circle on a rough...

A 8.00 kg box is pulled by a horizontal wire in a circle on a rough horizontal surface for which the coefficient of kinetic friction is 0.300.

A. Calculate the work done by friction during one complete circular trip if the radius is 2.00 m .

B. Calculate the work done by friction during one complete circular trip if the radius is 4.00 m .

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