2)A of elastic material under plane stressa, b and c with the help of the rosette in the shapedeformations measured in the direction ofεa = -150x10-6εb = 200x10-6and εc = 300x10-6is. Elasticity module...

2)A of elastic material under plane stress
a, b and c with the help of the rosette in the shape
deformations measured in the direction of
εa = -150x10-6
εb = 200x10-6
and εc = 300x10-6
is. Elasticity module in the material
E = 200 GPa,
Prime as the Poisson's ratio ν = 0.3
Calculate the stresses.