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Physics (AS & A Level) · Feb / March 2021 · Paper 12 · Question 18

9702Energy conservation

An aircraft travels at a constant velocity of 90 m s–1 in horizontal flight. The diagram shows the horizontal forces acting on the aircraft. The mass of the aircraft is 2000 kg. What is the power produced by the thrust force?

  1. A1.8 × 10^5 W
  2. B2.2 × 10^5 W
  3. C1.8 × 10^6 W
  4. D2.0 × 10^6 W

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Correct answer: B. 2.2 × 10^5 W

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