- A particle of mass 0.75 kg is moving with velocity ( \(4 \mathbf { i } + \mathbf { j }\) ) \(\mathrm { m } \mathrm { s } ^ { - 1 }\) when it receives an impulse ( \(- 6 \mathbf { i } + 4 \mathbf { j }\) ) N s. impulse \(( - 6 \mathbf { i } + 4 \mathbf { j } )\) N s.
\section*{Find
Find}
$$\begin{aligned}
& \text { (a) the velocity of the particle immediately after receiving the impulse, }
& \text { (b) the size of the angle through which the path of the particle is deflected as a result of }
& \text { the impulse. }
\end{aligned}$$
(3)