Physics (AS & A Level) · Oct / Nov 2016 · Paper 12 · Question 19
9702Gravitational potential energy and kinetic energy
The speed of a car increases from 10 m s–1 to 15 m s–1 and its kinetic energy increases by E1. Later, the speed of the car increases from 15 m s–1 to 25 m s–1 and its kinetic energy increases by E2. What is the ratio E2/E1?
- A1.6
- B2.6
- C3.2
- D4.0
As printed in the paper
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Correct answer: C. 3.2
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