Physics (AS & A Level) · May / June 2025 · Paper 12 · Question 10
9702Linear momentum and its conservation
Which statement does not describe an elastic collision between two objects?
- AThe relative speed of approach of the two objects equals the relative speed of separation.
- BThe total kinetic energy of the objects is conserved.
- CThe total kinetic energy of the objects is reduced.
- DThe total linear momentum of the objects is conserved.
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Correct answer: C. The total kinetic energy of the objects is reduced.
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