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7. A water pump raises 50 litre of water through a height of 25 m in 5 s. Calculate the power
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7. A water pump raises 50 litre of water through a height of 25 m in 5 s. Calculate the power of the pump required.
(Take g = 10 N kg-1 and w = 1000 kg m-3
(Take g = 10 N kg-1 and w = 1000 kg m-3
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