Pressure exerted at 90 bend in a pipe of cross-sectional area A and carrying water with a velocity V under a pressure p, is

• A. <img src="/_files/images/civil-engineering/water-supply-engineering/211-10.113-1.png">
• B. <img src="/_files/images/civil-engineering/water-supply-engineering/211-10.113-2.png">
• C. <img src="/_files/images/civil-engineering/water-supply-engineering/211-10.113-3.png">
• D. <img src="/_files/images/civil-engineering/water-supply-engineering/211-10.113-4.png">