In a ballistics demonstration a police officer fires a

Last updated: 6/7/2023

In a ballistics demonstration a police officer fires a bullet of mass 40 0 g with speed 200 m s on a soft plywood of thickness 4 00 cm The bullet emerges with only 25 of its initial kinetic energy The emergent speed of the bullet will be O 25 m s O 75 m s O 40 m s O 100 m s