A ball of mass 2kg hanging from a spring oscillates with a time period `2pi` seconds. Ball is removed when it is in equilibrium position, then spring shortens by

A ball of mass 2kg hanging from a spring oscillates with a time period 2p seconds . Ball is removed when it is in equilibrium position , the spring shortens by

A ball of mass 5 kg hanging from a spring oscillates with a time period of 2 pi s . At any instant the ball is at equilibrium position, now the ball is removed, then spring shortens by