Physics (AS & A Level) · Oct / Nov 2021 · Paper 11 · Question 17
9702Gravitational potential energy and kinetic energy
A car of mass 1500 kg accelerates from an initial speed of 15 m s–1. This acceleration causes the car to gain 3.0 × 10^5 J of kinetic energy. What is the change in the speed of the car?
- A5.4 m s–1
- B10 m s–1
- C20 m s–1
- D25 m s–1
As printed in the paper
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Correct answer: B. 10 m s–1
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