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Physics (AS & A Level) · Oct / Nov 2024 · Paper 13 · Question 17

9702Gravitational potential energy and kinetic energy

A stone of mass 0.30 kg is thrown vertically downwards with a speed of 20 m s⁻¹ from a height of 12 m above the ground. It falls vertically until it hits the ground. Air resistance is negligible. What is the kinetic energy of the stone just before it hits the ground?

  1. A25 J
  2. B35 J
  3. C60 J
  4. D95 J

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Correct answer: D. 95 J

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