Consider a long thin-wall, 10 cm tube (inner diameter), with a wall thickness of 0.5 mm that is capped on both ends. Find the Von-Mises yield stresses if the tube just starts to plastically deform...

Extracted text: Consider a long thin-wall, 10 cm tube (inner diameter), with a wall thickness of 0.5 mm that is capped on both ends. Find the Von-Mises yield stresses if the tube just starts to plastically deform when an external tensile force of 4000 N and an internal pressure of 200 kPa is applied.