A semicircular 40-ft-diameter tunnel is to be builtunder a 150-ft-deep, 800-ft-long
Chapter 3, Problem 3-162(choose chapter or problem)
A semicircular 40-ft-diameter tunnel is to be builtunder a 150-ft-deep, 800-ft-long lake, as shown in Fig. P3162E.Determine the total hydrostatic force acting on the roof ofthe tunnel.
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