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CAIE A-Level Physics AS 3.3.3 That for an Elastic Collision Total Kinetic Energy Is Conserved and the Questions

Use impulse as the change in momentum and relate impulse to force acting over a time interval.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Exam points

  • Use impulse as the change in momentum and relate impulse to force acting over a time interval.

CAIE A-Level Physics AS 3.3.3 That for an Elastic Collision Total Kinetic Energy Is Conserved and the Questions question 1

[Maximum number: 1]

Which statement about a perfectly elastic collision between two objects is correct?

A

Total kinetic energy is conserved and the relative speed of approach equals the relative speed of separation.

B

Total kinetic energy is conserved but the relative speed of approach does not equal the relative speed of separation.

C

Total kinetic energy is not conserved and the relative speed of approach does not equal the relative speed of separation.

D

Total kinetic energy is not conserved but the relative speed of approach does equal the relative speed of separation.

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