Two blocks are connected to an ideal spring of stiffness `200 N//m`. At a certain moment,
Channel: Doubtnut
Date: 2020-07-12

Two blocks are connected to an ideal spring of stiffness `200 N//m`. At a certain moment, the two block are moving in opposite diretion with speeds `4 ms_(1)` and the instantaneous elongation of the spring `10 cm`, The rate at which the spring energy `((kx^(2)/(2))` is increasing is.