At a dock, a crane lifts a 2009 kg container 20 m, swings it out over the deck of a freighter, and lowers the container into the hold of the freighter, which is 8 m below the level of the dock. the acceleration of gravity is 9.81 m/s 2 . neglect friction losses. how much work is done by the crane on the container? answer in units of kj
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At a dock, a crane lifts a 2009 kg container 20 m, swings it out over the deck of a freighter, and l...
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