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The two ropes seen in are used to lower a 255 kg piano exactly 9 m from a second-story window to the ground. 1830

The two ropes seen in are used to lower a 255 kg piano exactly 9 m from a second-story window to the ground. 1830 N 60 7 2500 N 13 7 1295 N 45 How much work is done by T ? Express your answer in joules.

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