6-25. A rectangular channel 20 ft wide has a roughness coefficient n = 0.015. a. Determine the normal slope at a normal depth of 1.23 ft when the discharge is 200 cfs. b. Determine the critical slope and the corresponding normal depth when the dis- charge is 200 cís. c. Determine the critical slope at the normal depth of 1.23 it, and compute the corresponding discharge.
6-25. A rectangular channel 20 ft wide has a roughness coefficient n = 0.015. a. Determine the normal slope at a normal depth of 1.23 ft when the discharge is 200 cfs. b. Determine the critical slope and the corresponding normal depth when the dis- charge is 200 cís. c. Determine the critical slope at the normal depth of 1.23 it, and compute the corresponding discharge.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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6-25 solve please

Transcribed Image Text:6-25. A rectangular channel 20 ft wide has a roughness coefficient n = 0.015.
a. Determine the normal slope at a normal depth of 1.23 ft when the discharge is
200 cfs.
b. Determine the critical slope and the corresponding normal depth when the dis-
charge is 200 cfs.
c. Determine the critical slope at the normal depth of 1.23 it, and compute the
corresponding discharge.
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