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Physics, 04.11.2019 02:31 jmeza502506
An electric pump rated 1.5 kw lifts 200kg of water through a vertical height of 6m in 10 secs: way is the efficiency of the pump?
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An electric pump rated 1.5 kw lifts 200kg of water through a vertical height of 6m in 10 secs: way...
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