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QUESTION
A heavy rope, 50 ft long, weighs 0.8 lb/ft and hangs over the edge of a building 140 ft high. (a) How much work W is done in pulling the rope to the
A heavy rope, 50 ft long, weighs 0.8 lb/ft and hangs over the edge of a building 140 ft high.(a) How much work W is done in pulling the rope to the top of the building?
