Modify Prob. P6.121 as follows: All data are the same except that z3 is unknown. Find
Chapter 6, Problem p6.123(choose chapter or problem)
Modify Prob. P6.121 as follows: All data are the same except that z3 is unknown. Find the value of z3 for which the fl ow rate in pipe 3 is 0.2 m3 /s toward the junction. (This problem requires iteration and is best suited to a computer.)
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