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Sahay Sir > Question Answers > MTG NEET Physics > Part 1 > Chapter 8 - COM, Momentum and Collision > A ball of mass 1kg is attached to an inextensible string. The ball is released from the position shown in figure. The impulse imparted by the string to the ball immediately after the string becomes taut. (Take g=10m/s^2)

A ball of mass 1kg is attached to an inextensible string. The ball is released from the position shown in figure. The impulse imparted by the string to the ball immediately after the string becomes taut. (Take g=10m/s^2)

Two particles of same mass m moving with velocities u1 and u2 collide perfectly inelastically. The loss of kinetic energy is