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2.7 Kinematics

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Question 6

The displacement of a particle from O O\,O is s=(14t4−2t3+4t2) ms=\left(\dfrac14t^4-2t^3+4t^2\right)\text{ m}s=(41​t4−2t3+4t2) m at time t t\,t seconds, where t≥0t\geq0t≥0.

a.

Find all the times in the interval 0≤t≤5 0\leq t\leq5\,0≤t≤5 at which the particle is instantaneously at rest.

[4]
b.

Find the total distance travelled during the first 5 seconds.

[4]
Markscheme

2.7 Kinematics Questions

  1. A Level
  2. /Maths
  3. /2.7 Kinematics

102 exam-style questions on WJEC A Level Maths 2.7 Kinematics, covering 2.7.1 Kinematics, 2.7.2 Kinematics, 2.7.3 Kinematics, and 2.7.4 Kinematics. Each one has a worked solution and a mark scheme showing where the marks go.

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