What is the approximate pressure
At the surface of a freshwater lake the pressure is 106 kPa.
(a) What is the pressure increase in going 34.5 m below the surface?
(b) What is the approximate pressure decrease in going 35 m above the surface? Air at 20° C has density of 1.2 kg/m3.
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What is the approximate pressure decrease in going 35 m above the surface? Air at 20° C has density of 1.2 kg/m3.
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