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posted by oozz Tuesday, July 10, 2012 at 1:05am.

What is the pressure due to 30 m height water column.

(water density)*g*(height) = 1000 kg/m^3*9.8 m/s^2*30 m = 2.94*10^5 N/m^2 = 2.94*10^5 Pascals = 2.9 atmospheres

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