Consider a spherical dust particle with a diameter of 2.5 μm and a mass of 2.1x10^-14 kg in a room. Assume the quadratic drag is D=1/2Cdρv^2. What is the terminal velocity?
Added by Mark M.
Step 1
The cross-sectional area of a sphere can be calculated using the formula A = πr^2, where r is the radius of the sphere. Since the diameter of the dust particle is 2.5 μm, the radius is half of the diameter, which is 1.25 μm or 1.25x10^-6 m. Therefore, the Show more…
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