Q$2.(30$ Points$)$ Water with $2f\frac{t^3}{s}$ flows through the pipe below. The pressure at point $1,$ point $2$ and point $3$ is $15,9,$ and $11\mathrm{.}5$nsi.

$($a$)$ Find velocity in point $1,2$ and $3(10$ Points$)$

$($b$)$ Find the headloss between point $1$ and point $2(10$ Points$).$

$($c$)$ Find the headloss between point $1$ and point $3(10$ points$).$