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Physics · Oct / Nov 2024 · Paper 12 · Question 10

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A rocket is launched vertically upwards by a constant force from its engines. The data for the launch is shown. weight of rocket: 1.9 MN average air resistance: 0.10 MN force from engine: 3.5 MN How much of the work done on the rocket is used to increase its speed in the first 100 m?

  1. A150 MJ
  2. B170 MJ
  3. C350 MJ
  4. D550 MJ

As printed in the paper

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Correct answer: A. 150 MJ

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