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3.2 Kinematics

3.2 Kinematics

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Question 49

A particle P P\,P moves in a straight line with constant velocity. Initially P P\,P is at the point A A\,A with position vector (4i−3j) m(4\mathbf{i} - 3\mathbf{j}) \text{ m}(4i−3j) m. At time t=3t = 3t=3, P P\,P is at the point B B\,B with position vector (−5i+9j) m(-5\mathbf{i} + 9\mathbf{j}) \text{ m}(−5i+9j) m.

a.

Find the velocity of PPP.

[3]
b.

When t=5t = 5t=5 P P\,P is at the point CCC. Find the distance ACACAC.

[4]
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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