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12 marksMotions

CAPE Physics Unit 1 · 2001 · Paper 2 · Question 5(c)(i)

During takeoff, a BWIA jet accelerates at 4.0 m s⁻² for 5 seconds, then at 10 m s⁻² with full power. Takeoff speed is 300 m s⁻¹.

Calculate the length of the runway.

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Other parts of this question

  1. 5(a)(i)What is meant by the term Speed?[3 marks]
  2. 5(a)(ii)What is meant by the term Velocity?[1 mark]
  3. 5(a)(iii)What is meant by the term Acceleration?[1 mark]
  4. 5(b)A body travels from rest for a time, t, and has an acceleration, a. Obtain expressions in terms of a and t for the final velocity, v, and distance travelled,…[5 marks]
  5. 5(c)(ii)Calculate the total time of take off. Hence sketch a velocity-time graph for the motion of the jet.[1 mark]

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