ESE 2023Q17
Q: A piece of copper originally 305 mm long is pulled in tension with a stress of 276 MPa. If the deformation is entirely elastic, what is the resultant elongation approximately?
(a)3·3 mm
(b)0·33 mm
(c)0·77 mm
(d)7·7 mm
Correct Answer: (d)
Detailed explanation coming soon.