Show chat the rate of flow Q of a fluid over a triangular notch can be expressed as where H is the head over the notch, g is the gravity acceleration, p and µ, are the density and viscosity of the...

Show chat the rate of flow Q of a fluid over a triangular notch can be expressed as

where H is the head over the notch, g is the gravity acceleration, p and µ, are the density and viscosity of the fluid, respectively, and
 is the angle of the notch.