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July 5, 2015

Homework Help: Calc II

Posted by Liz on Tuesday, October 16, 2012 at 2:07am.

A worker on scaffolding 65 ft above the ground needs to lift a 390 lb bucket of cement from the ground to a point 20 feet above the ground by pulling on a rope weighing 5 lb/ft. How much work is required?

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