1.

eWhatisthepressure(absoluto)onasummer10mbelowthesurficeofalake?Given atmospheric pressure10s Pa.

Answer»

The total pressure on the swimmer would be the sum of the atmospheric pressure and the pressure due to 10m colum of water

so,

P = Patm+ ρgh

here

Patm= 10^5N/m^2

ρ (of water) = 1000 kg/m^3

g = 9.81 m/s^2

h = 10m

thus, we have

P = 10^5+(1000x9.81x10)

so, total pressure

P = 1.981 x 10^5N/m^2



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