An oil drop falls through air with a terminal velocity 5×10−4 m/s. Find the radius of the drop.Neglect the density of air as compared to that of oil. (Take viscosity of air =3.6×10−5 N-s/m2,g=10 m/s2, density of oil ρo=900 kg/m3)

An oil drop falls through air with a terminal velocity 5×10−4 m/s.

1.	An oil drop falls through air with a terminal velocity 5×10−4 m/s. Find the radius of the drop.Neglect the density of air as compared to that of oil. (Take viscosity of air =3.6×10−5 N-s/m2,g=10 m/s2, density of oil ρo=900 kg/m3)
Answer» An oil drop falls through air with a terminal velocity $5 \times 10^{- 4} m/s$ . Find the radius of the drop. Neglect the density of air as compared to that of oil. (Take viscosity of air $= 3.6 \times 10^{- 5} {N-s/m}^{2}, g = 10 {m/s}^{2}$ , density of oil $ρ_{o} = 900 {kg/m}^{3})$

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An oil drop falls through air with a terminal velocity 5×10−4 m/s. Find the radius of the drop.Neglect the density of air as compared to that of oil. (Take viscosity of air =3.6×10−5 N-s/m2,g=10 m/s2, density of oil ρo=900 kg/m3)

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