A particle moves at 6 m s-1 at 45 anticlockwise from east. Find its velocity in i, j form, where the

Question

A particle moves at 6 m s-1 at 45 anticlockwise from east. Find its velocity in i, j form, where these unit vectors point east and north.

Accepted Answer

$\begin{pmatrix}3\sqrt2\ 3\sqrt2\end{pmatrix}=3\sqrt2\mathbf i+3\sqrt2\mathbf j\text{ m s}^{-1}$

Components from a direction