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2 marksEnergy

CSEC Physics · January 2016 · Paper 2 · Question 2(b)(iv)

Waterfalls are commonly found across the Caribbean. Describe the energy changes taking place in a waterfall.

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Other parts of this question

  1. 2(a)Complete the graphic below by drawing an arrow from each physical quantity to its respective unit.[2 marks]
  2. 2(b)(i)Complete the following statements. Kinetic energy is defined as[1 mark]
  3. 2(b)(ii)Complete the following statements. The potential energy of a body is defined as[1 mark]
  4. 2(b)(iii)Complete the following statements. The formula for the change in gravitational potential energy is[1 mark]
  5. 2(c)(i)State the type of energy that exists at A[1 mark]
  6. 2(c)(ii)State the type of energy that exists at B[1 mark]
  7. 2(c)(iii)State the type of energy that exists at C[1 mark]
  8. 2(c)(iv)If the pendulum is returning to A to complete an oscillation, explain which type of energy is increasing and why. At D, the type of energy increasing is[2 marks]
  9. 2(d)If a netball has a mass of 0.4 kg and a velocity of 5 m s⁻¹, calculate its kinetic energy.[3 marks]

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