Asolid stainless steel [g = 12,500 ksi] shaft that is 61 in. long will be subjected to a pure torque of t = 855 lb-in. determine the minimum diameter required if the shear stress must not exceed 7,200 psi and the angle of twist must not exceed 5°. report both the maximum shear stress τ and the angle of twist φ at this minimum diameter. answers: dmin = entry field with incorrect answer .88 in. τ = entry field with incorrect answer psi φ = entry field with incorrect answer °