t=2phi squre(w/gf) , how do u subject "f"
Not sure what you are asking, but maybe this?
t= 2 pi (w/gf)^2 solve for ' f '
t/(2pi) = (w/gf)^2
sqrt (t/(2pi)) = w/gf
f = w/ ( g sqrt(t/(2pi)) ) Is that what you wanted?
+37146 
