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Physics (AS & A Level) · May / June 2025 · Paper 12 · Question 18

9702Gravitational potential energy and kinetic energy

A ball of mass 1.2 kg travels horizontally at a speed of 3.0 m s–1. The ball hits a cushion and comes to rest over a horizontal distance of 0.020 m. What is the work done by the cushion on the ball to bring the ball to rest?

  1. A0.24 J
  2. B1.8 J
  3. C5.4 J
  4. D11 J

As printed in the paper

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Correct answer: C. 5.4 J

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