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3 Conservation of energy

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Question 3

An alpine skier starts from rest and glides downhill without pushing with poles. The skier's speed is 8.0 m/s at timing gate R and 12 m/s at a lower timing gate S. Friction and air resistance are negligible.

What is the ratio of the vertical distance descended between R and S to the vertical distance descended between the start and R?

[1]
A

9:49:49:4

B

3:23:23:2

C

4:54:54:5

D

5:45:45:4

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3 Conservation of energy Questions

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

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