An automobile of mass accelerates on a level road from to in

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

Problem

An automobile of mass

1.2\,\text{Mg}

accelerates on a level road from

10\,\text{m/s}

25\,\text{m/s}

8.0\,\text{s}

. Neglect resistive forces. What is the average power output delivered to the car during this interval? (a)

7.9\times10^{4}\,\text{W}

(b)

5.6\times10^{4}\,\text{W}

(c)

3.9\times10^{4}\,\text{W}

(d)

1.7\times10^{4}\,\text{W}