A point mass starts moving in straight line with constant acceleration `a` from rest at `t=0`.
Channel: Doubtnut
Date: 11/11/2021

A point mass starts moving in straight line with constant acceleration `a` from rest at `t=0`. At time `t=2s`, the acceleration changes the sign remaining the same in magnitude. The mass returns to the initial position at time `t=t_(0)` after start of motion. Here `t_(0)` is