(Solved): The tube is subjected to a torque of T=700Nm. The mean dimensions are shown in (Figure 1) Figu ...

The tube is subjected to a torque of $T=700\mathrm{N}?\mathrm{m}$. The mean dimensions are shown in (Figure 1) Figure 1 of 1 Determine the average shear stress in the tube at point $A$. Express your answer to three significant figures and include the appropriate units. Part B Determine the average shear stress in the tube at point $B$ Express your answer to three significant figures and include the appropriate units.