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3.2 Q: Kinematics

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Question 13

A drone D D\,D moves with a constant velocity. At 12:00, D D\,D is at the point with position vector (3i+4j) km(3\mathbf{i} + 4\mathbf{j}) \text{ km}(3i+4j) km with respect to a fixed origin OOO. At 13:15, the drone is at the point with position vector (8i−6j) km(8\mathbf{i} - 6\mathbf{j}) \text{ km}(8i−6j) km.

a.

Find the velocity of DDD.

[2]
b.

Find the bearing of the velocity vector.

[2]
c.

Find an expression, in terms of ttt, for the position of DDD t t\,t hours after 12:00.

[2]
Markscheme

3.2 Q: Kinematics Questions

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

265 exam-style questions on AQA A Level Maths 3.2 Q: Kinematics, covering 3.2.1 Language of kinematics, 3.2.2 Graphs in kinematics, 3.2.3 Constant acceleration formulae, 3.2.4 Calculus in kinematics (A-level only), and 3.2.5 Motion under gravity and projectiles (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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