A trolley of mass starts from rest and accelerates uniformly at over a straight track long

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

Problem

A trolley of mass

1000\,\text{kg}

starts from rest and accelerates uniformly at

0.5\,\text{m/s}^{2}

over a straight track

40\,\text{m}

long. How much work is done on the trolley during this motion? (a)

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

(b)

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

(c)

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

(d)

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