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A squared cross- sectional bar of 3cm by 3cm is under a compressive stress of 300...

A squared cross- sectional bar of 3cm by 3cm is under a compressive stress of 300 MPa. The bar deforms elastically, what is the area of the cross section after deformation. Provide your answer in milimeters squared. (Do not type in the unit in your answer.) (E=30GPa, v=0.4)

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