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1$\begingroup$ it is power, then why have you mentioned 'energy of water pump' in question? $\endgroup$– maverickCommented Jun 10, 2020 at 14:12
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$\begingroup$ misnomer I'll fix that $\endgroup$– Cathartic EncephalopathyCommented Jun 10, 2020 at 14:47
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$\begingroup$ What's the mistake in this derivation? $\endgroup$– Michael FaradayCommented Jun 11, 2020 at 13:15
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$\begingroup$ $\mathrm{dP}=v_0\mathrm{\frac{dm}{dt}}\ \mathrm{dv_0}$... You can get expected result using it.🤔 $\endgroup$– Billy IstiakCommented Mar 28, 2022 at 15:44
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