If the stress on a wire is 107NM−2 and the ...
If the stress on a wire is 107NM−2 and the wire is stretched from its original length of 10.00m to 10.05m. The young's modulus of the wire is?
5.0 x 10−4Nm−2
5.0 x 10−5Nm−2
2.0 x 10−8Nm−2
2.0 x 109Nm−2
Correct answer is D
Young's modulus stressstrain
Strain = el=0.0510=1070.005
2 x 109Nm−2