Physics (AS & A Level) · Oct / Nov 2017 · Paper 12 · Question 18
9702Gravitational potential energy and kinetic energy
Car X is travelling at half the speed of car Y. Car X has twice the mass of car Y. Which statement is correct?
- ACar X has half the kinetic energy of car Y.
- BCar X has one quarter of the kinetic energy of car Y.
- CCar X has twice the kinetic energy of car Y.
- DThe two cars have the same kinetic energy.
As printed in the paper
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Correct answer: A. Car X has half the kinetic energy of car Y.
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