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QUESTION
a 1,000 lb wrecking ball hangs from a 30 ft cable of density 10 lb/ft attached to a crane. calculate the work done if the crane lifts the ball from
a 1,000 lb wrecking ball hangs from a 30 ft cable of density 10 lb/ft attached to a crane. calculate the work done if the crane lifts the ball from ground level to 30 ft in the air by drawing in the cable.
