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1 markSI Units

CAPE Physics Unit 1 · 2017 · Paper 2 · Question 4(a)(i)

State the SI base unit of volume.

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  1. 4(a)(ii)Determine the base unit of C.[3 marks]
  2. 4(b)(i)Define the term 'work', stating an appropriate unit for its measurement.[2 marks]
  3. 4(b)(ii)Calculate the component of the weight of the car down the slope.[2 marks]
  4. 4(c)(i)Show that the deceleration of the car is 4.2 m s⁻² with the braking force applied.[2 marks]
  5. 4(c)(ii)Calculate the distance the car travels from the time the braking force is applied until the car comes to rest.[2 marks]
  6. 4(c)(iii)Calculate the loss of kinetic energy of the car.[1 mark]
  7. 4(c)(iv)Determine the work done by the resisting force of 4500 N in bringing the car to rest.[1 mark]
  8. 4(c)(v)Explain why the quantities in (c)(iii) and (c)(iv) are NOT equal.[1 mark]

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