A steel rod is 2m long and 50mm in diameter. A axial pull of 100kN is suddenly applied to the rod. What will be the instantaneous stress induced in the rod?

A steel rod is 2m long and 50mm in diameter. A axial pull of 100kN is

1.	A steel rod is 2m long and 50mm in diameter. A axial pull of 100kN is suddenly applied to the rod. What will be the instantaneous stress induced in the rod?
A.	101.89 N/mm²
B.	94.25 N/mm²
C.	130.45 N/mm²
D.	178.63 N/mm²
Answer» B. 94.25 N/mm²