Question: (x = - 3300 psi, (y = - 11,000 psi, Txy = 4500 psi (a) Determine the principal stresses and show them on a sketch

(x = - 3300 psi, (y = - 11,000 psi, Txy = 4500 psi
(a) Determine the principal stresses and show them on a sketch of a properly oriented element.
(b) Determine the maximum shear stresses and associated normal stresses and show them on a sketch of a properly oriented element?

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