a) Calculate the absolute pressure at the bottom of afreshwater lake at a depth

Question

a) Calculate the absolute pressure at the bottom of afreshwater lake at a depth of 27.5m. Assume the density of thewater is 1.00 x 103 kg/m3 and the air aboveis at a pressure of 1.01 x 105 Pa. b) What force is exerted by the water on the window of anunderwater vehicle at this depth if the window is circular and hasa diameter of 35.0cm? a) Calculate the absolute pressure at the bottom of afreshwater lake at a depth of 27.5m. Assume the density of thewater is 1.00 x 103 kg/m3 and the air aboveis at a pressure of 1.01 x 105 Pa. b) What force is exerted by the water on the window of anunderwater vehicle at this depth if the window is circular and hasa diameter of 35.0cm?

Explanation / Answer

a. P=Pair+gh P=1.01*105+1000*9.8*27.5 P=3.705*105Pa b. F=P/A F=3.705*105/*0.1752 F=3.85*106N Hence we get by it. F=3.85*106N Hence we get by it.

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