A steel bar 5 m 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm2 and Poissons ratio is 0.25, the change in the volume of the bar is_________________?

A. 1.125 cm3

B. 2.125 cm3

C. 4.125 cm2

D. 3.125 cm3
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