Product of Inertia The product of inertia for an area about inclined axes is given by the formula Iw = I, sin 0 cos 0 - I, sin 0 cos e + I„(cos? 0 – sin?0) Show that this is equivalent to I,- I, sin(20) + Iry Cos(20) uv 2

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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.