A diver can withstand a maximum pressure of 3x10^5 Pa. What maximum depth can he reach in seawater?

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  1. well you do not say gage or absolute so I will do absolute
    seawater is about 1025 kg/m^3 so about 10,025 Newtons/m^2/meter depth
    1 atm = about 100,000 Pa
    200,000 = 10,025 h
    around 20 meters or 60 feet
    Well, a single tank lasts about 60 minutes at 60 feet and after that you have to start decompression table routine assuming it is your first dive of the day.

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