$.[20$ points$]$ The stepped shaft has $3\mathrm{.}5,4\mathrm{.}0,$ and $3\mathrm{.}5$ diameters, as shown. Shaft material has E

$=30$x$106$ psi. Find the $($i$)$ deflection at the load, $($ii$)$ slope at the end.

Ans. yc $=0\mathrm{.}0593$ in$.$; and

$=0\mathrm{.}132$