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If the stress on a wire is 107NM2 and the ...

If the stress on a wire is 107NM2 and the wire is stretched from its original length of 10.00m to 10.05m. The young's modulus of the wire is?

A.

5.0 x 104Nm2

B.

5.0 x 105Nm2

C.

2.0 x 108Nm2

D.

2.0 x 109Nm2

Correct answer is D

Young's modulus stressstrain

Strain = el=0.0510=1070.005

2 x 109Nm2