The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is

• A. <img src="/_files/images/mechanical-engineering/hydraulic-machines/191-3-1.png">
• B. <img src="/_files/images/mechanical-engineering/hydraulic-machines/191-3-2.png">
• C. <img src="/_files/images/mechanical-engineering/hydraulic-machines/191-3-3.png">
• D. <img src="/_files/images/mechanical-engineering/hydraulic-machines/191-3-4.png">