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A spherical raindrop 2.1 mm in diameter falls through a vertical distance of 3650 m. Take...

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Physics

A spherical raindrop 2.1 mm in diameter falls through a verticaldistance of 3650 m. Take the cross-sectional area of a raindrop =Ï€r2, drag coefficient = 0.45, density of water to be 1000 kg/m3,and density of air to be 1.2 kg/m3.
(a) Calculate the speed a spherical raindrop would achieve fallingfrom 3650 m in the absence of air drag.
(b) What would its speed be at the end of 3650 m when there is airdrag? (Note that the raindrop will reach terminal velocity afterfalling about 30 m.)

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