An aluminum alloy bar with a Young's modulus of 70GPa is under a tensile stress of 10MPa, Which of the following is the equal to the strain in the bar?
A 0.0014
B 7.0x103
c 700
D 1.4x10-4
B 7.0x103
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A 0.0014
B 7.0x103
c 700
D 1.4x10-4
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