How does one derive equations to get to this equa

How does one derive equations to get to this equation?

 

g(p1-p2)T / µ(R-1)t

 

where µ is viscosity

p1 is density of sphere

p2 density of liquid

T is temperature t is time

R is radius

 

its for an IA 

Show more >

Answer:

Learn more effectively and get better grades!

Do my homework