Physics, 15.04.2020 21:35, kaelep

An engine is used to lift a beam weighing 9,800 N up to 145 m. How much work must the engine do to lift this beam? How much work must be done to lift it 290 m?

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An engine is used to lift a beam weighing 9,800 N up to 145 m. How much work must the engine do to l...