AP and TS EAMCET Engineering Model Paper 3

A pendulum consist of a wooden bob of mass 'm' and, length ′l′. A bullet of mass ′m1′ is fired towards the pendulum with a speed ′v1′ . The bullet emerges out of the bob with a speed

v1

3

, and the bob just complete the vertical circle. The value of ′v1′ is