Homework Statement
Problem is as shown in the picture.
The answer is meant to be a 4.59mm.
Homework Equations
Tau=mu(du/dy)The Attempt at a Solution
Force (tau) acting on plate from both fluids is equal, as is velocity (du).
mu1 (du/dy1) = mu2 (du/dy2)
mu1/dy1 = mu2/dy2
(mu2/mu1) *y1 = y2...