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should guess a depth a little higher; if the flow is too high, the user should g

ID: 643341 • Letter: S

Question

should guess a depth a little higher; if the flow is too high, the user should guess a depth a little lower. The guessing is repeated until the computed flow is within 0.1% of the flow desired. To help the user make an initial guess, the program should display the flow for half the channel depth. Note the example run: At a depth of 5.0000 feet, the flow is 641.3255 cubic feet per second. Enter your initial guess for the channel depth when the flow is 1000.0000 cubic feet per second Enter guess > 6.0 Depth: 6.0000 Flow: 825.5906 cfs Target: 1000.0000 cfs Difference: 174.4094 Error: 17.4409 percent Enter guess > 7.0 Depth: 7.0000 Flow: 1017.7784 cfs Target: 1000.0000 cfs Difference: -17.7784 Error: -1.7778 percent Enter guess > 6.8

Explanation / Answer

how to find the area?