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3 marksLinear Motion

CSEC Physics · May/June 2009 · Paper 2 · Question 2(b)(ii)

A taxi traveling at 30 m/s on a highway decelerates uniformly to a complete stop in 5 seconds after a police officer signals it. Assume zero reaction time.

Determine the distance travelled by the taxi from the time the police signals until the taxi stops.

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Other parts of this question

  1. 2(a)(i)Give the difference between a 'vector quantity' and a 'scalar quantity'.[1 mark]
  2. 2(a)(ii)Complete Table 2 by writing EACH of the physical quantities from the list below in the appropriate column: Mass, Momentum, Displacement, Heat Capacity,…[6 marks]
  3. 2(b)(i)In the space below, draw a velocity-time graph to represent the motion of the taxi from the moment the officer signals, to when the taxi comes to a stop.[2 marks]
  4. 2(b)(iii)If the speed limit is 80 km h⁻¹, determine whether or not the driver should receive a speeding ticket.[3 marks]

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