A billiard ball rolls along a horizontal table and strikes a cushion perpendicularly, rebounding with the same speed in the opposite direction. What happens to the kinetic energy and the momentum of the billiard ball during this collision?
The kinetic energy changes and the momentum changes.
The kinetic energy changes and the momentum stays the same.
The kinetic energy stays the same and the momentum changes.
The kinetic energy stays the same and the momentum stays the same.
78 exam-style questions on CIE IGCSE Physics Momentum, covering Momentum. Each one has a worked solution and a mark scheme showing where the marks go.