Body A starts from rest at a point and moves with a constant acceleration of along a…

PHYSICS · Single correct · CBSE · Physics · Motion in a Straight Line · Motion in a Straight Line

Problem

Body A starts from rest at a point and moves with a constant acceleration of

2\,\text{m}\,\text{s}^{-2}

along a straight road. Five seconds later, Body B starts from the same point with a constant acceleration of

4\,\text{m}\,\text{s}^{-2}

along the same direction. How long after B starts will it catch up with A? (a)

7.1\,\text{s}

(b)

10\,\text{s}

(c)

12\,\text{s}

(d)

5\,\text{s}