A block of mass 3.57 kg is drawn at constant speed a distance 4.06 meters along a horizontal floor by a rope exerting a constant force of magnitude 7.68 N making an angle 15o with the horizontal. Compute (a) the total work done on the block, (b) the work done by the rope on the block, (c) the work done by friction on the block, and (d) the coefficient of kinetic friction between block and floor.

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