4 m 1976B2 A bullet of mass m and velocity v is fired toward

Last updated: 5/3/2023

4 m 1976B2 A bullet of mass m and velocity v is fired toward a block of mass 4m The block is initially at rest on a frictionless horizontal surface The bullet penetrates the block and emerges with a velocity of Yo 3 a Determine the final speed of the block b Determine the loss in kinetic energy of the bullet c Determine the gain in the kinetic energy of the block