Problem $9\mathrm{.}52$

$ln($tigure $1),{}_y=14\mathrm{.}6$ksi

Part A

Determine the principal stresses. Speciry the orientation of the element.

Express your answers, separated by commas, to three significant figures.

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Part B

Determine the maximum in$-$plane shear stress and average normal stress. Specify the onentation of the element. Express your answers, separated by commas, to three significant figures.

${}_{in-\text{m}\text{p}\text{a}\text{n}}^{\text{m}\text{a}\text{x}}=,{}_{\text{a}\text{v}\text{g}}=,{}_s=200,-2\mathrm{.}70,30\mathrm{.}0$ksi,ksi,$($ clockwise $)$

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