10. Calculate the time during which spherical Al2O3 particles, distributed in a medium with a viscosity of 1.5•10−3 Pa*s, settle to a height of =1 cm, if the specific surface of the particles is: a) 104 m–1; b) 10 5 m–1; c) 10 6 m–1. The densities of the dispersed phase and dispersion medium are 4 and 1 g/cm 3 , respectively.

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