Find the magnitude and direction of when and points North-East while but points…

MATHEMATICS · Subjective · A Level · Mathematics · Vectors · Vectors

Problem

Find the magnitude and direction of

\mathbf{r}_1 - \mathbf{r}_2

when

|\mathbf{r}_1| = 5

and points North-East while

|\mathbf{r}_2| = 5

but points North-West.