A wide channel of 1 m deep and has a velocity of flow is 2.13 m/s. If disturbance caused, an elementary wave can travel upstream with a velocity of

A wide channel of 1 m deep and has a velocity of flow is 2.13 m/s. If disturbance caused, an elementary wave can travel upstream with a velocity of

A wide channel of 1 m deep and has a velocity of flow is 2.13 m/s. If disturbance caused, an elementary wave can travel upstream with a velocity of 


Answer: 5.26 m/s