Calculating terminal velocity of a magnetc falling down a copper tube.

variables: , this means 6-3 dimensionless variables.

so

This means . Guess . This means This doesn't work. reason: missing c. variabl

es: , this means 7-3=4 dimensionless variables.

This means:

Now remember ohms law: . This gives: .

source psfile jl@crush.caltech.edu index buckingham_pi_theorem