Answer to Question #144742 in Physics for Sam

Question #144742

A force of 23N is applied to the wire and it extends by 0.20mm. Find the Young modulus of the copper.

Expert's answer

"Y\\frac{\\Delta l}{l}=\\frac{F}{A}=\\frac{F}{0.25\\pi d^2}\\\\Y\\frac{0.0002}{1}=\\frac{23}{0.25\\pi (0.0011)^2}\\\\Y=1.2\\cdot10^{11}\\frac{N}{m^2}"

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