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A machine lifts up a load of 500 kg by a height of 2 m. Calculate the efficiency of the machine if the energy input to the machine is 25000 J. (Take g=10 ms−2).0.4 |
Answer» A machine lifts up a load of 500 kg by a height of 2 m. Calculate the efficiency of the machine if the energy input to the machine is 25000 J. (Take g=10 ms−2).
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