A Heavy Rope $40 \mathrm { ft }$ Long, Weighs $0.7 \mathrm { lb } / \mathrm { ft }$

question 128

Short Answer

A heavy rope, $40 \mathrm { ft }$ long, weighs $0.7 \mathrm { lb } / \mathrm { ft }$ and hangs over the edge of a building $110 \mathrm { ft }$ high. How much work is done in pulling the rope to the top of the building?

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