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A-LevelPhysicsDynamics9702/12 · May/June 2025 · Q101 Mark

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.

✓ Correct answer

C: The total kinetic energy of the objects is reduced.

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About this question

Topic: Dynamics, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2025 Paper 1 Variant 2, question 10.

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