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1 markConservation of Energy and Momentum

CSEC Integrated Science · May/June 2010 · Paper 2 · Question 6(b)(ii)

Figure 8 shows a trolley of mass 20 kg moving at 2 m/s colliding with a stationary toy truck of mass 10 kg.

Calculate the momentum of the truck if it was moving at a speed of 4 m/s towards the trolley.

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Other parts of this question

  1. 6(a)Explain the concept of the conservation of linear momentum.[2 marks]
  2. 6(b)(i)State TWO possible results of this collision.[2 marks]
  3. 6(b)(iii)State TWO possible results of the collision between the truck moving at 4 m/s and the trolley.[2 marks]
  4. 6(c)(i)Define the term 'energy' and state the unit of energy.[2 marks]
  5. 6(c)(ii)What is the symbol for the unit of energy?[1 mark]
  6. 6(d)State the forms of energy present (i) before, (ii) during, and (iii) after the trolley collides with the stationary toy truck.[3 marks]
  7. 6(e)The toy truck possesses gravitational potential energy. Explain where this energy comes from.[2 marks]

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