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Physics (AS & A Level) · May / June 2024 · Paper 11 · Question 13

9702Momentum and Newton’s laws of motion

A ball of mass 0.10 kg is thrown towards a stationary vertical bat. The ball hits the bat with a horizontal velocity of 20 m s⁻¹. The ball rebounds and leaves the bat with a horizontal velocity of 15 m s⁻¹. What is the change in momentum of the ball?

  1. A0.20 N s
  2. B0.50 N s
  3. C1.5 N s
  4. D3.5 N s

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Correct answer: D. 3.5 N s

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