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1.13 J: Vectors

1.13 J: Vectors

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Question 54

It is given that a=4i−3j\mathbf{a} = 4\mathbf{i} - 3\mathbf{j}a=4i−3j.

a.

Find ∣a∣|\mathbf{a}|∣a∣.

[1]
b.

Find the angle that a\mathbf{a}a makes with the positive xxx-direction, giving your answer to 1 decimal place.

[2]
Markscheme

1.13 J: Vectors Questions

  1. A Level
  2. /Maths
  3. /1.13 J: Vectors

168 exam-style questions on AQA A Level Maths 1.13 J: Vectors, covering 1.13.1 Vectors in two and three dimensions, 1.13.2 Magnitude and direction of a vector, 1.13.3 Vector arithmetic, 1.13.4 Position vectors, and 1.13.5 Vectors to solve problems. Each one has a worked solution and a mark scheme showing where the marks go.

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