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1.7 Energy, work and power

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Question 292

A child climbs to the top of a slide and gains 1500 J of gravitational potential energy.

The child then slides to the bottom. At the bottom of the slide, their kinetic energy is 400 J.

How much energy was converted into thermal energy and sound energy as the child moved down the slide?

A

400 J400\text{ J}400 J

B

1100 J1100\text{ J}1100 J

C

1500 J1500\text{ J}1500 J

D

1900 J1900\text{ J}1900 J

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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