Physics

Problem

Car A travels east at

30\,\text{m/s}

and is initially

150\,\text{m}

behind Car B, which travels east at

20\,\text{m/s}

. How much time elapses before Car A draws even with Car B? a)

5\text{ s}

6\text{ s}

15\text{ s}

7.5\text{ s}