$3\mathrm{.}22$ For the truss shown in Figure P$3-22$ solve for the horizontal and vertical components of displacement at node $1$ and determine the stress in each element. Also verify force equilibrium at node $1.$ All elements have $A=1in.{?}^2$ and $E=10{10}^6$ psi. Let $L=100$ in$.$

@CivilMetnod $-$ rigure ro$-$