A cable 200 ft long and weighing 4 Ib/ft is hanging vertically down a well. If a weight Of 100 lbs is suspended from the lower end of the cable, find the work done in pulling the cable and weight to the top of the well. a. 120000 ft-lb O b. 80000 ft-lb O c. 100000 ft-lb O d. 90000 ft-lb e. None of the choices.

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