an irrigation channel of trapezoidal section, having side slopes 3 horizontal to 2 vertical is to carry a flow of 10 m³/s on a longitudinal slope of 1 in 5000. the channel is to be lined for which the value of friction coefficient in manning's formula is n = 0.012. find the dimensions of the most economic section of the channel​

i mean i gues

explanation:

answer:

1.3 + 20

explanation:

20.1.3

i do not know

Explanation:

it's not question so i can tell difference between that question so it's what i got...

Explanation:

Hypothesis - In the sciences, a provisional supposition from which to draw conclusions that shall be in accordance with known facts, and which serves as a starting-point for further investigation. Prediction - The action of predicting future events; an instance of this, a prophecy, a forecast.

said thanks if it's help:)