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Mathematics, 27.04.2021 01:00 Rachaeltice8810

A machine having a velocity ratio of 4 meet 2,000J of energy to lift a load of 400N through a perpendicular distance of 2.5m. calculate the efficiency of the machine​

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A machine having a velocity ratio of 4 meet 2,000J of energy to lift a load of 400N through a perpen...
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