Calculate the speed (in m/s) a spherical rain drop would achieve falling from 4.70 km in...

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Calculate the speed (in m/s) a spherical rain drop would achieve falling from 4.70 km in...

Calculate the speed (in m/s) a spherical rain drop would achieve falling from 4.70 km in the absence of air drag and with air drag. Take the size across of the drop to be 3 mm, the density to be 1.00 ✕ 10³ kg/m³, and the surface area to be πr². (Assume the density of air is 1.21 kg/m³.)

(a) in the absence of air drag

(b) with air drag

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