The power of a pump, which can pump $200kg$ of water to a height of $200m$ in $10sec $ is ................ $kW$ $(g = 10m/{s^2})$
The power of a pump, which can pump $200kg$ of water to a height of $200m$ in $10sec $ is ................ $kW$ $(g = 10m/{s^2})$
$40 $
$80$
$400$
$960$
The power of a pump, which can pump $200kg$ of water to a height of $200m$ in $10sec $ is ................ $kW$ $(g = 10m/{s^2})$
$p = \frac{{mgh}}{t} = \frac{{200 \times 10 \times 200}}{{10}} = 40\,kW$
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