9. At what speed will droplets of water mist with a par

9. At what speed will droplets of water mist with a par

9. At what speed will droplets of water mist with a particle radius r = 10 -4 m? The air viscosity η = 1.8 · 10 -5 Pa · s. The air density should be neglected.

Additional information:

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
Questions and problems from the manual:
"Laboratory Workshop on Colloid Chemistry" Nekrasov AP, Veretenchenko BA, Kharkov NTU "KhPI", 2004
"Characteristic properties of disperse systems" Nekrasov AP, Kharkov, 1996
Tasks are executed in Microsoft Word, graphics - in Microsoft Exel or OriginPro; formulas are typed in the MathType editor (if the formulas contain unreadable characters, then you need to install this editor); files are archived by WinRAR.