The stream issuing from beneath a vertical sluice gate is 0.3 m deep at the vena contracta. Its mean velocity is 6 m s−1. A standing wave is created on the level bed below the sluice gate. Find the...

The stream issuing from beneath a vertical sluice gate is 0.3 m deep at the vena contracta. Its mean velocity is 6 m s−1. A standing wave is created on the level bed below the sluice gate. Find the height of the jump, the loss of head and the power dissipated per unit width of sluice.