Question

8. A pump is used to lift 500 kg of water from a depth
of 80 m in 10 s. Calculate :
(a) the work done by the pump,
(b) the power at which the pump works, and
.(c) the power rating of the pump if its efficiency is
40%. (Take g = 10 m s-2)
useful power
[Hint : Efficiency=
]
power input
Ans. (a) 4 x 10%J (b) 40 kW (c) 100 kW.​

Answer 1

Answer:

answer will be 40 kw

I hope it wil work