For the truss in figure below, the cross-sectional area of the truss members is A = 500 mm and Young's modulus E = 200 GPa. Let P = 90.3 kN. Im 3 m O 1 m a) Strain energy for truss FC. Enter your answer in J to 2 decimal places. b) Strain energy for truss CE. Enter your answer in J to 2 decimal places. c) The displacement at point A. Enter your answer in mm to 2 decimal places. B E 3 m