Problem $2$: If $G=3,800$ksi,$n=0\mathrm{.}32,sx=16$ksi, and $sz=26$ksi for the plate shown, determine the change in length of $($a$)$ side $AB,($b$)$ side $BC,$ and $($c$)$ thickness $t={0\mathrm{.}5}^{\text{'}\text{'}}.$ Show all work. $(25\%)$

$=\frac{}{L}$