At a dock, a crane lifts a 4000-kg container 30 m, swings it out over the deck
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At a dock, a crane lifts a 4000-kg container 30 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. How much work is done by the crane? (Neglect friction losses.)
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Work done by crane is equals to its pot...View the full answer
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Related Book For
Fundamentals of Ethics for Scientists and Engineers
ISBN: 978-0195134889
1st Edition
Authors: Edmund G. Seebauer, Robert L. Barry
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