Estimate the speed of vertically falling raindrops from the following data. Radius of drops= 0.02cm, viscosity of air= 1.8*10^-4poise, g= 9.9*10ms^-2 and density of water= 1000kgm^-3.
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Answer:
40g/81
Explanation:
As use this formula
V=2r^2(dwater-dair)g/9n
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