Water is flowing in a 10-ft-wide rectangular channel at a depth of 6 ft. A 1.5-ft step-up in the channel bottom is encountered and the water level over the step (with reference to the upstream channel...

Water is flowing in a 10-ft-wide rectangular channel at a depth of 6 ft. A 1.5-ft step-up in the channel bottom is encountered and the water level over the step (with reference to the upstream channel invert) drops by 0.5 ft as shown in Figure P12.30. Ignoring losses, what is the discharge in the channel?