a m2 m2 b b m, a 10 mm The above-shown cross-section is symmetric about Y-axis. For a = 8 mm, b = 4 mm, the mass m1 60 kg/m2, and the mass m2 = 80 kg/m2. You are required to: %3D %3D %3D A) Determine the coordinates of the centroids of each element (ABF, BCEF, CDE) in the above cross-section B) Determine the location of the centroid for the shown cross-section C) Calculate the mass of each element in the above cross-section D) Determine the location of the center of mass for the shown cross-section

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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.