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3 Conservation of energy

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Question 58
F

A trolley starts from rest at the top of a ramp. Its gravitational potential energy decreases by 45 J as it moves to the bottom. During this motion, 9 J is transferred to thermal stores. What is the kinetic energy of the trolley at the bottom?

[1]
A

9 J9\ \mathrm{J}9 J

B

45 J45\ \mathrm{J}45 J

C

36 J36\ \mathrm{J}36 J

D

54 J54\ \mathrm{J}54 J

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3 Conservation of energy Questions

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

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