2.99 See Answer

Question: A hollow, pressurized sphere having a radius

A hollow, pressurized sphere having a radius r = 4.8 in. and wall thickness t = 0.4in. is lowered into a lake (see figure). The compressed air in the tank is at a pressure of 24 psi (gage pressure when the tank is out of the water). At what depth D0 will the wall of the tank be subjected to a compressive stress of 90 psi?
A hollow, pressurized sphere having a radius r = 4.8 in. and wall thickness t = 0.4in. is lowered into a lake (see figure). The compressed air in the tank is at a pressure of 24 psi (gage pressure when the tank is out of the water).
At what depth D0 will the wall of the tank be subjected to a compressive stress of 90 psi?





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2.99

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