A water pump runs at an average power output of for

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

Problem

A water pump runs at an average power output of

2.5\,\text{kW}

for

3.0\,\text{min}

. Neglecting energy losses, how much work does the pump do on the water during this interval? (a)

7.5\times10^{4}\,\text{J}

(b)

4.5\times10^{6}\,\text{J}

(c)

4.5\times10^{5}\,\text{J}

(d)

7.5\times10^{5}\,\text{J}