Mathematics, 03.04.2020 15:52 amorosoavap5cejz
A worker on a scaffolding 75 ft above the ground needs to lift a 500 lb bucket of cement from the ground to a point 30 ft above the ground by pulling on a rope weighing 0.5 lb/ft. How much work is required
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A worker on a scaffolding 75 ft above the ground needs to lift a 500 lb bucket of cement from the gr...
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