At what speed the velocity head of a stream of water be equal to 40 cm of Hg

At what speed will the velocity head of a stream of water be equal to 40 cm of mercury?

At what speed will the velocity head of a stream of water be equal to 20 cm of mercury . Taking (g=10ms^(-2)) .

At what speed will the velocity head of a stream of water be equal to 20 cm of mercury . Taking (g=10ms^(-2)) .

At what speed will the velocity head of stream of water be 40 cm?

At what speed will the velocity head of stream of water be 50 cm ? Use g= 10m//s^(2) .

Calculate the speed at which the velocity of stream of water will be equal to 30 cm of mercury column.

At what speed, the velocity head of water is equal to pressure head of 40 cm of Hg ?

At what speed, the velocity head of water is equal to pressure head of 40 cm of mercury?

If the velocity head of a stream of water is equal to 10 cm, then its speed of flow is approximately