Fundamental momentum equation for a hydraulic jump, is

• A. <img src="/_files/images/civil-engineering/irrigation/20-15-91-1.png">
• B. <img src="/_files/images/civil-engineering/irrigation/20-15-91-2.png">
• C. <img src="/_files/images/civil-engineering/irrigation/20-15-91-3.png">
• D. <img src="/_files/images/civil-engineering/irrigation/20-15-91-4.png">