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1.7.1a Energy stores and energy transfers

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Question 27

A car of mass 800 kg is moving at 15 m/s. The engine does work on the car and the speed increases to 25 m/s.

How much work is done by the engine to increase the speed of the car?

A

40 000 J40\,000\text{ J}40000 J

B

80 000 J80\,000\text{ J}80000 J

C

160 000 J160\,000\text{ J}160000 J

D

320 000 J320\,000\text{ J}320000 J

Markscheme

1.7.1a Energy stores and energy transfers Questions

  1. IGCSE
  2. /Physics
  3. /1.7.1a Energy stores and energy transfers

229 exam-style questions on CIE IGCSE Physics 1.7.1a Energy stores and energy transfers. Each one has a worked solution and a mark scheme showing where the marks go.

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