What is the value of stress induced in the rod due to impact load?

1.	What is the value of stress induced in the rod due to impact load?
A.	P/A ( 1 + ( 1 + 2AEh/PL)<sup>1/2</sup> )
B.	P/A ( 2 + 2AEh/PL )
C.	P/A ( 1 + ( 1 + AEh/PL)<sup>1/2</sup> )
D.	P/A ( ( 1 + 2AEh/PL)<sup>1/2</sup> )
Answer» B. P/A ( 2 + 2AEh/PL )

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What is the value of stress induced in the rod due to impact load?

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