A gate is 0.5 m wide and 0.6 m tall, and is hinged at the bottom. On one side the gate holds back a 0.5-m deep body of water. On the other side, a 10-cm diameter water jet hits the gate at aheight of 0.5 m.

What jet speed Vis required to hold the gate vertical P

What will the speed be if the body of water is lowered to 0.25m’1.