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Physics, 09.12.2021 04:00 12martinkat

A mains operated motor raises an 8500, N,8500N weight to a height of 2, point, 7, m,2.7m. The electrical work done by the mains supply is 29000, J,29000J. Calculate the efficiency of this process.

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A mains operated motor raises an 8500, N,8500N weight to a height of 2, point, 7, m,2.7m. The electr...

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