During a startup period

PHYSICS · Subjective · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

During a

4\,\text{s}

startup period, the power delivered to a fan increases uniformly from

0\,\text{W}

t=0

120\,\text{W}

t=4\,\text{s}

. Calculate the work done on the fan in this time interval.