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1.7 Energy, work and power

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Question 427

An electric car powered by a battery is accelerating along a flat, horizontal road.

What is the main overall energy transfer?

A

Chemical energy is converted into kinetic energy.

B

Chemical energy is converted into gravitational potential energy.

C

Nuclear energy is converted into kinetic energy.

D

Nuclear energy is converted into gravitational potential energy.

Markscheme

1.7 Energy, work and power Questions

  1. IGCSE
  2. /Physics
  3. /1.7 Energy, work and power

533 exam-style questions on CIE IGCSE Physics 1.7 Energy, work and power, covering 1.7.1a Energy stores and energy transfers, 1.7.1b Conservation of energy, 1.7.1c Kinetic and gravitational potential energy, 1.7.2 Work done, 1.7.3 Energy resources, 1.7.3a Energy resources and electricity generation, 1.7.3b Nuclear fusion as an energy source, 1.7.3c Efficiency of energy transfer, and 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.

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