A pump is required to lift of water per minute from a deep well and eject it with speed

PHYSICS · Single correct · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

A pump is required to lift

800\,\mathrm{kg}

of water per minute from a

10\,\mathrm{m}

deep well and eject it with speed

20\,\mathrm{m\,s^{-1}}

. The required power of the pump, in watts, is (1)

6000

(2)

4000

(3)

5000

(4)

8000