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4 marksConservation

CSEC Physics · January 2013 · Paper 2 · Question 6(b)(i)

A football is kicked from rest looping over the head of a goalkeeper who is 40 m away.

Describe the energy changes taking place in the ball from when it was kicked to when it hit the ground behind the goalkeeper. (Assume no energy losses.)

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Other parts of this question

  1. 6(a)Discuss the importance of alternative energy to the Caribbean with reference to two sources and their uses.[6 marks]
  2. 6(b)(ii)Derive an expression in terms of m, h and v for the difference between the potential and the kinetic energy of the ball.[2 marks]

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