A sharp-crested suppressed rectangular weir 1m long and a standard 90- degree V-notch weir are placed in the same weir box with the vertex of the Vnotch weir 150mm below the crest of the rectangular...

A sharp-crested suppressed rectangular weir 1m long and a standard 90- degree V-notch weir are placed in the same weir box with the vertex of the Vnotch weir 150mm below the crest of the rectangular weir. Determine the head on the rectangular weir. Determine the head on the rectangular weir
when their discharges are equal. Use Francis Formula.