A 2000 kg car

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

Problem

28. A 2000 kg car, initially at rest, is accelerated along a horizontal roadway at

3 \mathrm{~m} / \mathrm{s}^{2}

. What is the average power required to bring the car to a final speed of

20 \mathrm{~m} / \mathrm{s}

? (A)

6 \times 10^{3} \mathrm{~W}

(B)

2 \times 10^{4} \mathrm{~W}

(C)

3 \times 10^{4} \mathrm{~W}

(D)

4 \times 10^{4} \mathrm{~W}

(E)

6 \times 10^{4} \mathrm{~W}