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3.2 Kinematics

3.2 Kinematics

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Question 151

The displacement of a particle is s=t2(t+2k) ms=t^2(t+2k)\text{ m}s=t2(t+2k) m at time t t\,t seconds. The particle is instantaneously at rest when t=4t=4t=4.

a.

Determine kkk.

[3]
b.

Find the acceleration when t=10t=10t=10.

[2]
Markscheme

3.2 Kinematics Questions

  1. A Level
  2. /Maths
  3. /3.2 Kinematics

260 exam-style questions on OCR A Level Maths 3.2 Kinematics, covering 3.2.1 Language of kinematics, 3.2.2 Graphs in kinematics, 3.2.3 Displacement-time and velocity-time graphs, 3.2.4 Constant acceleration formulae, 3.2.5 Constant acceleration in two dimensions (A-level only), 3.2.6 Non-uniform acceleration in one dimension (A-level only), 3.2.7 Non-uniform acceleration in two dimensions (A-level only), 3.2.8 Motion under gravity using vectors (A-level only), and 3.2.9 Projectiles (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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