question_answer

A engine pumps up 100 kg of water through a height of 10 m in 5s. Given that, the efficiency of engine is 60%. If \[g=10\,m{{s}^{-2}},\]the power of this engine is

A)  3.3 kW            

B)         0.33 kW

C)  0.033 kW        

D)         33 kW