Problem $1$

Two solid cylindrical rods are joined at $B$ and loaded as shown. RodAB is

made of steel $(\{$:$E=29{10}^6),$ and rod $BC$ of brass $(\{$:$E=15{10}^6).$

Determine $($a$)$ the total deformation of the composite rodABC, $($b$)$ the

deflection of point $B.$