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1.7 Energy, work and power

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Question 115

A hockey puck slides across a rough horizontal ice surface and gradually slows down.

As the puck slows down, what is the main energy transfer?

A

from kinetic to thermal

B

from gravitational potential to kinetic

C

from chemical to kinetic

D

from kinetic to gravitational potential

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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