The ends of the 3-in. inner diameter bronze tube are attached to rigid walls. Determine the longitudinal and circumferential stresses when the tube is pressurized to 400 psi. Use E = 12 106 psi and v= 1/3 for bronze. Neglect localized bending at the ends of the tube. 6 in. 0.1 in. FIG. P8.11 3 in.