A horizontal force of 150 n is used to push a 425 kg, Ask an Expert

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A horizontal force of 150 N is used to push a 42.5 kg packing crate a distance of 6.90 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following.

(a) the work done by the 150 N force
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(b) the coefficient of kinetic friction between the crate and the surface

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