A railway truck of mass 6000 kg moves with a velocity of 4.0 m/s to the right.
It collides with a railway truck of mass 9000 kg moving at 2.0 m/s to the left.
The two trucks become joined to each other when they collide and move off together.
What is the velocity of the two trucks after the collision?
0.40 m/s0.40\text{ m/s}0.40 m/s to the left
0.40 m/s0.40\text{ m/s}0.40 m/s to the right
2.8 m/s2.8\text{ m/s}2.8 m/s to the right
2.8 m/s2.8\text{ m/s}2.8 m/s to the left
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.