The bar has a solid circular cross section. The radius of the cross section in inches is given by R = XXXXXXXXXX , where  is the axial position in inches. If the bar is subjected to an axial torque T...

The bar has a solid circular cross section. The radius of the cross section in inches is given by
R
= 2 + 0.1, where
 is the axial position in inches. If the bar is subjected to an axial torque
T
= 120 in ‐ kip, what is the magnitude of the maximum shear stress at
 = 10 in?