PHYSICS · Single correct · CBSE · Physics · Motion in a Plane · Motion in a Plane
Problem
A car accelerates uniformly along a straight road. Observer R stands on the roadside, while observer S travels in another car moving at a constant velocity in the same direction. Which quantity must both observers measure to be the same for the accelerating car during the interval of interest?
(a) Its displacement
(b) Its acceleration
(c) Its initial velocity
(d) Its average velocity