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3.2 Q: Kinematics

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Question 12

A particle A A\,A moves with constant acceleration (−2i+4j) ms−2(-2\mathbf{i} + 4\mathbf{j}) \text{ ms}^{-2}(−2i+4j) ms−2. At time t=0t = 0t=0, A A\,A has speed u ms−1u \text{ ms}^{-1}u ms−1. At time t=5 st = 5 \text{ s}t=5 s, A A\,A has velocity (−5i+8j) ms−1(-5\mathbf{i} + 8\mathbf{j}) \text{ ms}^{-1}(−5i+8j) ms−1.

Find the value of uuu.

[5]
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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