A worker on scaffolding 65 ft above the ground needs to lift a 400 lb bucket of cement from the ground to a point 40 feet above the ground by pulling… | Cheap Nursing Papers

A worker on scaffolding 65 ft above the ground needs to lift a 400 lb bucket of cement from the ground to a point 40 feet above the ground by pulling…

A worker on scaffolding 65 ft above the ground needs to lift a 400 lb bucket of cement from the ground to a point 40 feet above the ground by pulling on a rope weighing 5 lb/ft. How much work is required?

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