The steel rectangular parallelepiped (E=200 GPa and v=0.3) shown in Fig. P2.46 has dimen...

The steel rectangular parallelepiped (E=200 GPa and v=0.3) shown in Fig. P2.46 has dimensions a=250 mm, b=200 mm, and c=150 mm. It is subjected to triaxial stresses and acting on the x, y, and z faces, respectively. Determine (a) the changes  and  in the dimensions of the block, and (b) the change  in the volume.