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Forces and Motion

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Question 69

A particle P P\,P moves with constant acceleration (3i−4j)(3\mathbf{i} - 4\mathbf{j})(3i−4j) ms−2^{-2}−2. At time t=0t = 0t=0, P P\,P has speed u u\,u ms−1^{-1}−1. At time t=3t = 3t=3, P P\,P has velocity (−5i+2j)(-5\mathbf{i} + 2\mathbf{j})(−5i+2j) ms−1^{-1}−1.

Find the exact value of uuu.

[5]
Markscheme

Forces and Motion Questions

  1. A Level
  2. /Maths
  3. /Forces and Motion

182 exam-style questions on Edexcel A Level Maths Forces and Motion, covering 10.1 Force Diagrams, 10.2 Forces as Vectors, 10.3 Forces and Acceleration, 10.4 Motion in 2 Dimensions, 10.5 Connected Particles, and 10.6 Pulleys. Each one has a worked solution and a mark scheme showing where the marks go.

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