A sample of powdered zinc oxide, density 5.60 g/cm 3 , is allowed to settle under the acceleration of gravity, 981 cm/sec 2 , at 25 25°C. The rate of settling, v, is 7.30 ×10 3 cm/sec; the density of the medium is 1.01 g/cm 3 , and its viscosity is 1 centipoise = 0.01 poise or 0.01 g/cm sec. Calculate the Stokes diameter of the zinc oxide powder.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A sample of powdered zinc oxide, density 5.60
g/cm 3 , is allowed to settle under the acceleration
of gravity, 981 cm/sec 2 , at 25 25°C. The rate of
settling, v, is 7.30 ×10 3 cm/sec; the density of
the medium is 1.01 g/cm 3 , and its viscosity is 1
centipoise = 0.01 poise or 0.01 g/cm sec.
Calculate the Stokes diameter of the zinc oxide
powder.
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