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1 Pure Mathematics

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Question 1214

In this question the unit vectors i\mathbf{i}i and j\mathbf{j}j are due east and due north respectively.

A car is driving with velocity (7i−5j)(7\mathbf{i} - 5\mathbf{j})(7i−5j) m s−1^{-1}−1.

a.

Find the speed of the car, giving your answer to 3 significant figures.

[2]
b.

Find the bearing on which the car is travelling, giving your answer to 1 decimal place.

[2]
Markscheme

1 Pure Mathematics Questions

  1. A Level
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