Power of a water pump is $ 2 kW. $ If $g = 10\,m/{\sec ^2}$, the amount of water it can raise in one minute to a height of $10 m$ is .............. $liter$
Power of a water pump is $ 2 kW. $ If $g = 10\,m/{\sec ^2}$, the amount of water it can raise in one minute to a height of $10 m$ is .............. $liter$
$2000 $
$1000 $
$100 $
$1200 $
Power of a water pump is $ 2 kW. $ If $g = 10\,m/{\sec ^2}$, the amount of water it can raise in one minute to a height of $10 m$ is .............. $liter$
$P = \frac{{mgh}}{t}$
$⇒$ $m = \frac{{p \times t}}{{gh}} = \frac{{2 \times {{10}^3} \times 60}}{{10 \times 10}}$
$ = 1200\,kg$
As $Volume = \frac{{{\rm{mass}}}}{{{\rm{density}}}}$
$⇒$ $v = \frac{{1200kg}}{{{{10}^3}kg/{m^3}}} = 1.2{m^3}$
$Volume = 1.2{m^3} = 1.2 \times {10^3}litre = 1200\;litre$
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