1. Find the discharge, Q, through a 15-inch-diameter orifice in a vertical wall impounding water at a depth of 7.5 feet above the center of the orifice. The orifice has square edges and discharges...

1. Find the discharge, Q, through a 15-inch-diameter orifice in a vertical wall impounding water at a depth of 7.5 feet above the center of the orifice. The orifice has square edges and discharges freely.

2. Find the discharge over a 90-degree V-notch weir if the head is 7.5 inches.