A horizontally flying bullet of mass m gets stuck in a body of mass M suspended by two
Channel: Doubtnut
Date: 23/08/2020

A horizontally flying bullet of mass m gets stuck in a body of mass M suspended by two identical threads of length l (figure). As a result, the threads swerve through an angle `theta`. Assuming `mlt ltM`, find:(a) the velocity of the bullet before striking the body,  (b) the fraction of the bullet's initial kinetic energy that turned into heat