Figure shows a load being applied to an inner cylindrical member that is initially 0.12 mm...

Figure shows a load being applied to an inner cylindrical member that is initially 0.12 mm longer than a second concentric hollow pipe. What would be the stress in both members if a total load of 350 lcN is applied?

Figure:

                                            

FIGURE Aluminum bar in a steel pipe under an axial compression load for Problem.