The acceleration - time graph of a particle moving along a straight line ( starting from rest) is shown. After what time the particle attins its initial position ?

The acceleration - time graph of a particle moving along a straight li

1.	The acceleration - time graph of a particle moving along a straight line ( starting from rest) is shown. After what time the particle attins its initial position ?
Answer» 2.8sec 4.28sec 5 sec 3 sec Answer :B