Question

​A motor pump lifts 6 tonnes of water from a well of depth 25 m to the first floor of height 35 m from the ground floor in 20 minutes. the power of the pump (in kW) is [g=10m/s^2]

Answer 1

Dear Student ,
The power of the pump is ,
$P=\frac{W}{t}=\frac{mgh}{t}=\frac{6\times 1000\times 10\times \left(25+35\right)}{20\times 60}=3000W$
Regards