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Physics (AS & A Level) · Feb / March 2018 · Paper 12 · Question 9

9702Equations of motion

A girl throws a ball vertically upwards. It takes a time of 3.20 s to return to her hand. Assume air resistance is negligible. What is the initial speed with which the ball is thrown?

  1. A3.07 m s–1
  2. B7.85 m s–1
  3. C15.7 m s–1
  4. D31.4 m s–1

As printed in the paper

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Correct answer: C. 15.7 m s–1

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