A certain two dimensional shape has the following integrals f dA = 4.5 in² fx dA fyd A S x² dA 13.5 in ³ 13.5 in ³ = 42.75 in4 fxy dA = 39.375 in 4 fy² dA = 42.75 in 4 where dA is a differential area element, dx*dy. Find the following properties of the shape Centroid = (X,Y)= ( 3 3) in. The Area Moments of Intertia about axes parallel to the x and y axes through the centroid. |x' = in4 in4 ly¹ = [ Product of Inertia, Ix'y' = Polar Moment of Inertia, J(x',y') 4

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Atomic diffusion in solids

In material science, diffusion can take place in solid, liquid, and gases. In solids, atomic diffusion can take place with the help of thermally activated and randomly vibrating atoms. The atomic diffusion in solids is complex and very slow in comparison to atomic diffusion in liquids and gases because the interatomic distance between the atoms is smaller in solids as compared to liquids and gases.