"""A system consists of block A and B each of mass m connected by a light spring as shown in the figure with block B in contact with a wall. The block A compresses the spring by 3mg/k from natural length of spring and then released from rest.  Neglect friction anywhere <br> <img src=""""https://d10lpgp6xz60nq.cloudfront.net/physics_images/DPP_PHY_14_E01_023_Q01.png"""" width=""""80%""""> <br> Acceleration of centre of mass of system comprising A and B just after A is released is"""
{}