Question: 7 . 3 - 5 An element in plane stress is subjected to stresses x = - 5 5 0 0 , y = -

7.3-5 An element in plane stress is subjected to
stresses x=-5500,y=-2000, and
xy=1900 psi (see the figure for Problem 7.3-1).
Determine the principal stresses and show them
on a sketch of a properly oriented element.
7 . 3 - 5 An element in plane stress is subjected

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