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1.7.1a Energy stores and energy transfers

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Question 80

A child on a sled starts from rest at the top of a hill (point P). The sled slides down the slope, increasing in speed, until it reaches a flat gravel path at the bottom (point Q), where friction causes it to grind to a complete stop.

Which of the following sequences correctly describes the energy changes that have taken place between point P and point Q?

A

gravitational potential energy →\rightarrow→ kinetic energy →\rightarrow→ thermal energy

B

gravitational potential energy →\rightarrow→ thermal energy →\rightarrow→ kinetic energy

C

kinetic energy →\rightarrow→ gravitational potential energy →\rightarrow→ thermal energy

D

kinetic energy →\rightarrow→ thermal energy →\rightarrow→ gravitational potential energy

Markscheme

1.7.1a Energy stores and energy transfers Questions

  1. IGCSE
  2. /Physics
  3. /1.7.1a Energy stores and energy transfers

229 exam-style questions on CIE IGCSE Physics 1.7.1a Energy stores and energy transfers. Each one has a worked solution and a mark scheme showing where the marks go.

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