jordanbright6109 jordanbright6109 27-12-2023 Physics contestada A steel bar of 20 mm x 20 mm square cross-section is subjected to an axial compressive load of kN. If the length of the bar is 1 m and E=200GPa, then what will be the elongation of the bar? a) 0.25 mm b) 0.50 mm c) 0.75 mm d) 1.00 mm