A pressurized cylindrical tank with flat ends is loaded by tensile forces T as shown. The tank has inner radius r=50 mm and wall thickness t=3 mm. The internal pressure is p=3.5 MPa. What is the maximum permissible value of the forces T if the longitudinal stress in the wall of the cylinder is restricted to 50 MPa? T 20.2 kN 11 kN 38.5 kN 46.5 kN T