Answer to Question #22825 in Mechanics | Relativity for osilaja gbenga
• An elastic collision is a collision where the both the momentum and the kinetic energy are conserved.
• In an inelastic collision the momentum is conserved but the kinetic energy is not. In fact the kinetic energy will be lower after the collision because some energy has been used in creating sound, deformation and heat. The reality is that most collisions are inelastic to some extent. However, collisions between snooker balls come quite close to being elastic collisions.
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