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8.3 Power and efficiency

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Question 13

An electric toy helicopter of weight 4.5 N rises vertically through a height of 12 m. This climb takes 6.0 s.

Calculate the useful power developed by the motor during this climb.

[2]
Markscheme

8.3 Power and efficiency Questions

  1. GCSE
  2. /Physics
  3. /8.3 Power and efficiency

26 exam-style questions on Edexcel GCSE Physics 8.3 Power and efficiency, covering 8.3.1 Power and 8.3.2 Efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

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