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3 marksKinetic Energy, Ek

CSEC Physics · May/June 2005 · Paper 2 · Question 2(c)(ii)

The footballer kicked the ball, and it was caught by the opposing goalkeeper 4 metres above the ground. The ball was travelling at 10 m s⁻¹.

Calculate the kinetic energy of the ball just before it was caught.

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Other parts of this question

  1. 2(a)(i)State the principle of conservation of energy.[2 marks]
  2. 2(a)(ii)Define the term 'potential energy'.[1 mark]
  3. 2(a)(iii)Give ONE example of a body possessing potential energy.[1 mark]
  4. 2(a)(iv)Define the term 'kinetic energy'.[1 mark]
  5. 2(a)(v)Give ONE example of a body possessing kinetic energy.[1 mark]
  6. 2(b)What was the potential energy of the ball just before the kick was taken?[1 mark]
  7. 2(c)(i)Calculate the potential energy of the ball just before it was caught.[3 marks]
  8. 2(c)(iii)After the ball was caught, what was the kinetic energy converted into?[2 marks]

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