Car A is moving due east at and car B is moving due east at

PHYSICS · Single correct · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

Car A is moving due east at

20\,\text{m\,s}^{-1}

and car B is moving due east at

30\,\text{m\,s}^{-1}

. What is the velocity of B relative to A? (a)

50\,\text{m\,s}^{-1}

east (b)

10\,\text{m\,s}^{-1}

west (c)

10\,\text{m\,s}^{-1}

east (d)

25\,\text{m\,s}^{-1}

east