Do not use ai or i will report u$.$ Ai is wrong for this wuestion

$3$

Numeric

$0\mathrm{.}25$ points

Session $17$:Q$4$c

For a state of plane stress with ${}_x=50$ MPa,${}_y=100$MPa, and ${}_{xy}=10$MPa, what is the resulting ${}_{z^{\text{'}}}$ in MPa if we rotate $90$ degrees about the positive $x$ axis, such that the $z^{-}-$axis is now in the $-y-$ direction?

$4$

Numeric $0\mathrm{.}25$ points

Session $17$:Q$4$d

For a state of plane stress with ${}_x=50$ MPa,${}_y=100$MPa, and ${}_{xy}=10$MPa, what is the resulting ${}_{y^{\text{'}}}$ in MPa if we rotate $90$ degrees about the positive $x$ axis, such that the $z^{\text{'}}-$ axis is now in the $-y$ direction?