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3 Conservation of energy

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Question 26

A child slides from the top to the bottom of a playground slide. During the descent, the child's gravitational potential energy decreases by 750 J and the child's kinetic energy increases by 300 J. How much energy is transferred to thermal stores during the descent?

[1]
A

375 J375\ \mathrm{J}375 J

B

600 J600\ \mathrm{J}600 J

C

0 J0\ \mathrm{J}0 J

D

450 J450\ \mathrm{J}450 J

Markscheme

3 Conservation of energy Questions

  1. GCSE
  2. /Physics
  3. /3 Conservation of energy

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