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The average power of the pump which lift...

The average power of the pump which lifts 20kg of water per second from a well 10m deep and projects it with a velocity `10m//s` is `(g=10m//s^(2))`

A

9 kW

B

4.5 kW

C

2.5kW

D

3kW

Text Solution

Verified by Experts

The correct Answer is:
D
`P=(W)/(t) = (mgh)/(t) + (1)/(2) (mv^(2))/(t)`
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