Solve the below problem:
Q: The rectangular channel in Fig contains a V-notch weir as shown. The intent is to meter flow rates between 2.0 and 6.0 m3/s with an upstream hook gage set to measure water depths between 2.0 and 2.75 m. What are the most appropriate values for the notch height Y and the notch half-angle a?
![792_Rectangular channel.jpg](https://secure.tutorsglobe.com/CMSImages/792_Rectangular channel.jpg)