The thin -walled pipe has an inner diameter of 0.5 in. and a thickness of 0.025 in. II it...

The thin -walled pipe has an inner diameter of 0.5 in. and a thickness of 0.025 in. II it is subjected toan internal pressure of 500 psi and the axial tension and torsional loadings shown, determine the principal stress at a point on the surface of the pipe.