Physics (AS & A Level) · Feb / March 2023 · Paper 12 · Question 10
9702Linear momentum and its conservation
Which statement about collisions is correct?
- AKinetic energy is conserved in all collisions.
- BMomentum is only conserved in perfectly elastic collisions.
- CThe relative speed of approach is equal to the relative speed of separation for perfectly elastic collisions.
- DWhen two objects of different masses collide, they exert forces of different magnitudes on each other.
As printed in the paper
Show the answer
Correct answer: C. The relative speed of approach is equal to the relative speed of separation for perfectly elastic collisions.
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.