A truck of mass 2000 kg travelling at 12.0 m/s collides with a minivan of mass 1500 kg that is travelling at 5.0 m/s in the same direction. After colliding, the two vehicles stick together.
What is their speed after the collision?
5.0 m/s5.0\text{ m/s}5.0 m/s
8.0 m/s8.0\text{ m/s}8.0 m/s
9.0 m/s9.0\text{ m/s}9.0 m/s
12.0 m/s12.0\text{ m/s}12.0 m/s
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.