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Physics (AS & A Level) · May / June 2022 · Paper 13 · Question 18

9702Energy conservation

A car of weight 15 000 N is travelling along a horizontal road. At one instant, the thrust force acting on the car from the engine is 12 000 N and the resistive force acting on the car is 3000 N. The velocity of the car at this instant is 24 m s⁻¹. What is the power output from the engine?

  1. A72 kW
  2. B220 kW
  3. C290 kW
  4. D360 kW

As printed in the paper

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Correct answer: C. 290 kW

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