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Physics (AS & A Level) · May / June 2018 · Paper 13 · Question 6

9702Equations of motion

A rock on the surface of Mars is projected vertically upwards with an initial speed of 9.4 m s^{-1}. The rock rises to a height of 12 m above the surface. Assume there is no atmosphere on Mars. What is the acceleration of free fall near the surface of Mars?

  1. A0.39 m s^{-2}
  2. B3.7 m s^{-2}
  3. C7.4 m s^{-2}
  4. D9.8 m s^{-2}

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Correct answer: B. 3.7 m s^{-2}

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