At a dock, a crane lifts a 2094 kg container 14 m, swings it out over the deck o
ID: 3897941 • Letter: A
Question
At a dock, a crane lifts a 2094 kg container 14 m, swings it out over the deck of a freighter, and lowers the container into the hold of the freighter, which is 9 m below the level of the dock.The acceleration of gravity is 9.81 m/s2. Neglect friction losses. How much work is done by the crane on the container? Answer in units of kJ At a dock, a crane lifts a 2094 kg container 14 m, swings it out over the deck of a freighter, and lowers the container into the hold of the freighter, which is 9 m below the level of the dock.The acceleration of gravity is 9.81 m/s2. Neglect friction losses. How much work is done by the crane on the container? Answer in units of kJExplanation / Answer
Work done = -(3167*(10-6))*9.81 = -124.273 KJ
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