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Vectors

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Question 176

a=−4i+7j\mathbf{a} = -4\mathbf{i} + 7\mathbf{j}a=−4i+7j and b=xi+yj\mathbf{b} = x\mathbf{i} + y\mathbf{j}b=xi+yj

0.

Given that the resultant force of a\mathbf{a}a and b\mathbf{b}b is −i+11j-\mathbf{i} + 11\mathbf{j}−i+11j find the values of x x\,x and yyy

[2]
1.

Hence find the magnitude of b\mathbf{b}b.

[2]
Markscheme

Vectors Questions

  1. A Level
  2. /Maths
  3. /Vectors

284 exam-style questions on Edexcel A Level Maths Vectors, covering 11.1 Vectors, 11.2 Representing Vectors, 11.3 Magnitude and Direction, 11.4 Position Vectors, 11.5 Solving Geometric Problems, and 11.6 Modelling with Vectors. Each one has a worked solution and a mark scheme showing where the marks go.

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