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1. |
A rod of copper originally 305 mm long is pulled in tension with a stress of 276 MPa. if the modulus of elasticity is 110 GPa and the deformation is entirely elastic, the resultant elongation will be nearly |
A. | 1.0 mm |
B. | 0.8 mm |
C. | 0.6 mm |
D. | 0.4 mm |
Answer» C. 0.6 mm | |