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2 marksWork, Energy & Power

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

After 1s, the ball of mass m kg and velocity v ms⁻¹ is located h m from the ground.

Derive an expression in terms of m, h and v for the difference between the potential and the kinetic energy of the ball.

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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)(i)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.)[4 marks]

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