Physics (AS & A Level) · May / June 2016 · Paper 11 · Question 9
9702Linear momentum and its conservation
Which statement about a perfectly elastic collision between two bodies in an isolated system is correct?
- ABoth total kinetic energy and total momentum are conserved.
- BTotal kinetic energy is conserved, but total momentum is not conserved.
- CTotal momentum is conserved, but total kinetic energy is not conserved.
- DNeither total kinetic energy nor total momentum is conserved.
As printed in the paper
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Correct answer: A. Both total kinetic energy and total momentum are conserved.
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