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Absolute pressure and exerted force

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(a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 22.6 m. Assume the density of the water is 1.00  103 kg/m3 and the air above is at a pressure of 101.3 kPa. 
 Pa 

(b) What force is exerted by the water on the window of an underwater vehicle at this depth if the window is circular and has a diameter of 34.0 cm? 
 N

asked Dec 15, 2017 in Physics by shahemaabdelhady (400 points)

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