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2 Unit AS 2: Applied Mathematics

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Question 29

A particle moving in a straight line has speed 5U 5U\,5U m s−1^{-1}−1. It decelerates uniformly for 6 s to a speed of 2U 2U\,2U m s−1^{-1}−1, maintains this speed for 16 s, and then decelerates uniformly to rest in a further 2 s.

a.

Sketch a velocity-time graph for the motion.

[2]
b.

Find expressions for the magnitudes of the two decelerations in terms of UUU.

[4]
c.

Given that the total distance travelled is 220 m, find UUU.

[6]
Markscheme

2 Unit AS 2: Applied Mathematics Questions

  1. A Level
  2. /Maths
  3. /2 Unit AS 2: Applied Mathematics

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