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3 marksVelocity-Time Graphs and Acceleration

CSEC Additional Mathematics · 2019 · Paper 2 · Question 8(a)(ii)

A car has stopped at a traffic light. When the light turns green, it accelerates uniformly to a speed of 28 ms⁻¹ in 15 seconds. The car continues to travel at this speed for another 35 seconds, before it has to stop 10 seconds later at another traffic light.

Calculate the distance the car travelled between the two traffic lights.

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Other parts of this question

  1. 8(a)(i)On the grid provided on page 25, draw a speed-time graph showing the information above.[3 marks]
  2. 8(a)(iii)Calculate the average speed of the car over this journey, giving your answer in kmh⁻¹.[3 marks]
  3. 8(b)(i)Determine the values of t for which the particle is stationary.[5 marks]
  4. 8(b)(ii)Determine the distance the particle travels in the fourth second.[6 marks]

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