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Physics (AS & A Level) · Oct / Nov 2016 · Paper 12 · Question 18

9702Gravitational potential energy and kinetic energy

On the surface of a planet, 30 J of work is done against gravity to raise a mass of 1.0 kg through a height of 10 m. How much work must be done to raise a mass of 4.0 kg through a height of 5.0 m on this planet?

  1. A15 J
  2. B60 J
  3. C120 J
  4. D200 J

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Correct answer: B. 60 J

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