Question

A pump is required to lift 1000 kg of water per
minute from a well 20 m deep and ejects at a
speed of 20 m/s. The power of engine is
(1) 6.6 kW
(2) 6 kW
(3) 2 kW
(4) 1.1 kw​

Answer 1

Answer:

(1) 6.6 kW

Work = K.E. + U