a fully extenses cable of 100 ft weighs 2 ft/lb, how much work is done after winding 20 ft of cable?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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a fully extenses cable of 100 ft weighs 2 ft/lb, how much work is done after winding 20 ft of cable?

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