A cable 100ft long that weighs 4lb/ft is hanging from a windlass. How much work is done in winding it up?
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$\displaystyle W=4\int_{0}^{100}(100-x)dx$
Originally Posted by galactus $\displaystyle W=4\int_{0}^{100}(100-x)dx$ cool thanks. I was doubting my own answer.
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