A ball of mass `m` is attached to the lower end of a light vertical spring of force constant `K`.
Channel: Doubtnut
Date: 26/01/2020

A ball of mass `m` is attached to the lower end of a light vertical spring of force constant `K`. The upper end of the spring is fixed. The ball is released from rest with the spring at its normal `(` unstretched `)` length, and comed to rest again after descending through a distance `x`.