A square pool with 180-m-long sides is created in a concrete parking lot. The walls are concrete 52.9 cm thick and have a density of 2.50 g/cm3. The coefficient of static friction between the walls and the parking lot is 0.515. What is the maximum possible depth of the pool?
I have never seen a question relating density and friction. I really don't know where to begin with this one. Any help or direction would be awesome.
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