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3 Conservation of energy

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Question 112
H

A student investigates the kinetic energy of a trolley. The student doubles its mass and reduces its speed by 20%. What is the percentage change in its kinetic energy?

[1]
A

A decrease of 36%36\%36%

B

An increase of 60%60\%60%

C

A decrease of 20%20\%20%

D

An increase of 28%28\%28%

Markscheme

3 Conservation of energy Questions

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

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