Motion in a Straight Line — JEE Main 2021 · 25 Jul, Evening shift · Q7887 · Alror
Motion in a Straight Line
JEE Main 2021 · 25 Jul, Evening shift · Q7887
PhysicsHard65×since 2002Q7887
The relation between time t and distance x for a moving body is given as t = mx² + nx, where m and n are constants. The retardation of the motion is : (When v stands for velocity)