P2.2- The two bars shown in Figure P2.2 are used to support a load P. When unloaded, joint B has coordinates (0,0). After load P is applied, joint B moves to the coordinate position ( 7.0 mm , -13.0 mm ). Assume a=5.2m,b=2.8m, and h=4.0m. Determine the normal strain in each bar.