A bar of copper alloy is loaded in a tension machine and it is determined that (epsilon_{x}=940left(10^{-6}

Question:

A bar of copper alloy is loaded in a tension machine and it is determined that $\epsilon_{x}=940\left(10^{-6}\right)$ and $\sigma_{x}=14 \mathrm{ksi}, \sigma_{y}=0$, $\sigma_{z}=0$. Determine the modulus of elasticity, $E_{\mathrm{cu}}$, and the dilatation, $e_{\mathrm{cu}}$, of the copper. $u_{\mathrm{cu}}=0.35$.

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