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Power and efficiency

Power and efficiency

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Question 14

A runner transfers 3600 J of energy while sprinting up a hill. It takes the runner 12 seconds12\text{ seconds}12 seconds to run up the hill.

Calculate the power of the runner.

Use the equation: power=work done÷time taken\text{power} = \text{work done} \div \text{time taken}power=work done÷time taken

A

12 W12\text{ W}12 W

B

300 W300\text{ W}300 W

C

7200 W7200\text{ W}7200 W

D

43200 W43200\text{ W}43200 W

Markscheme

Power and efficiency Questions

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

37 exam-style questions on OCR GCSE Physics Power and efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

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