Question

Question 8.
A uniform cylindrical wire is subjected to longitudinal tensile stress of 5 × 107 Nm-2. The Young’s Modulus of the material of the wire is 2 × 1011 Nm-2. The volume change in the wire is 0.02%. Calculate the fractional change in the radius of the wire.

Answer 1

Question 8.

A uniform cylindrical wire is subjected to longitudinal tensile stress of 5 × 107 Nm-2. The Young’s Modulus of the material of the wire is 2 × 1011 Nm-2. The volume change in the wire is 0.02%. Calculate the fractional change in the radius of the wire.

Answer:

-0.25×10^-4

Explanation:

Please refer to the attachment

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