Question
a.
\(σ_x=\frac{2Q}{xzsinθcosθ} \)
b.
\(σ_x=\frac{2Qxz^2}{π(x^2+z^2)^2} \)
c.
\(σ_x=\frac{2Qx^3}{π(x^2+z^2)^2} \)
d.
\(σ_x=\frac{2Qx^2 z}{π(x^2+z^2)^2} \)
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