A 4-ft-tall, 8-in.-wide concrete (150 lb/ft3 ) retaining
Chapter 2, Problem 2.108(choose chapter or problem)
A 4-ft-tall, 8-in.-wide concrete \((150~ \mathrm{lb/ft^3})\) retaining wall is built as shown in Fig. P2.108. During a heavy rain, water fills the space between the wall and the earth behind it to a depth h. Determine the maximum depth of water possible without the wall tipping over. The wall simply rests on the ground without being anchored to it.
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