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Posted by 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?

  • Calc II - , Monday, May 6, 2013 at 12:59am

    integrate(390+5x)from 45 to 65

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