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Mathematics 9 Online
OpenStudy (lgbasallote):

A cable that weighs 2lb/ft is used to lift 800 lb of coal up a mine shaft 500 ft deep. Find the work done. Use INTEGRAL CALCULUS @apoorvk

OpenStudy (apoorvk):

|dw:1336738443441:dw| It's basically the same question as the previous one, except two things. This time the height or, rather the length of the rope is 500ft instead and you will need to add the work done to lift the coal by 500ft to the work done to lift the rope.

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