Find the terminal velocity of solid sphere of radius 0.1 m moving in air in vertically downward direction. (eta=1.8xx10^(-5)Ns7m^(2) density of sphere = 1000kg//m ^(3)and g=10m//s^(2))

Find the terminal velocity of solid sphere of radius 0.1 m moving in a

1.	Find the terminal velocity of solid sphere of radius 0.1 m moving in air in vertically downward direction. (eta=1.8xx10^(-5)Ns7m^(2) density of sphere = 1000kg//m ^(3)and g=10m//s^(2))
Answer» 2m/s `1.2cm//s` `4cm//s` NONE of these Answer :B