A engine pumps up 100 kg of water through a height of 10 m in 5 s . Given that, the efficiency of engine is 60 % . If g=10 ~ms ⁻² , the power of this engine is

Step-by-step solution

Efficiency of engine =60 % . aligned Thus, power & = work / time & = 100 60 m g h t aligned Given, m=100 ~kg , h=10 ~m , t=5 ~s and g=10 ~ms ⁻² aligned Hence, power & = 100 60 100 10 10 5 & =3.3 10^3 ~W =3.3 ~kW aligned