The blood was flowing in a hemodialysis unit with a fluid thickness of h$.$ The viscometer plate has a height of $1\mathrm{.}5*10-5$ mm and a length of $2*10-3$ mm in wet. The viscosity of blood is $1*10-3$ Pa$.$s$.$ There is a pressure difference $150$ mmHg between the blood and the unit device. Calculate the maximum velocity of the blood.

Assumptions:

i$.$ Newtonian fluid, laminar flow

ii$.$ Fluid velocity is the constant in the x direction.

iii. There is pressure gradients arise.