This is a three part problem. This is the second part. A trapezoidal (m1= m2 =...

This is a three part problem. This is the second part. A trapezoidal (m1= m2 = sqrt(3 )) channel is made of finished concrete. The channel slope is 30° below the horizontal, and the water flow rate is 5 cfs. Find the Froude number.

Expert Solution

solution is attached in the image below.

as the bottom width of slope is not mentioned as the question is in parts hence it would be previously mentioned in previous sub parts, hence solving the question in form of unknowns by putting b in place of bottom width and y as depth of channel. hence using the particular relations derived you can put value of b and then solve the particular equation calculated in terms of y.

later calculating area and top width we can calculate froude number by relation.

F²=(Q²T)/(gA³)

HOPE IT HELPS.

a positive response from your side will help me a lot.

Ally Wells answered 2 years ago

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