# Physics

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A diver thinks that if a typical snorkel tube of 0.13 m length works, then a tube of length 6.2 m should also work. When trying to use such a tube, what is the pressure difference between the external pressure on the diver's chest and the air pressure in the lungs of the diver? Assume seawater density is 1.025 g/cm3 Express the result in the unit [Pa].

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