A 20-G Bullet Moving at 1000 M/s Is Fired Through

Multiple Choice

A 20-g bullet moving at 1000 m/s is fired through a one-kg block of wood emerging at a speed of 200 m/s.What is the kinetic energy of the block that results from the collision if the block had not been moving prior to the collision and was free to move?

A) 10 kJ
B) 9.8 kJ
C) 0.16 kJ
D) 0.13 kJ