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3 Conservation of energy

3 Conservation of energy

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Question 86

A skateboarder rides down a ramp towards point A. The skateboarder has a mass of m m\,m kg and is travelling at a velocity of v v\,v m/s.

Which of the following is the correct equation to calculate the kinetic energy (EkE_kEk​) of the skateboarder?

A

Ek=mvE_k = m vEk​=mv

B

Ek=mv2E_k = m v^2Ek​=mv2

C

Ek=12mv2E_k = \frac{1}{2} m v^2Ek​=21​mv2

D

Ek=2mv2E_k = 2 m v^2Ek​=2mv2

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3 Conservation of energy Questions

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

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