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A) Calculate the absoute pressure at the bottom of a fresh-water lake at a depth of 28.9 m. Assume the density of the water is 1.00x10^3 kg/m^3 and the air above is at a pressure of 101.3 kPa.

________Pa (answer)

B) What force is exerted by the water on the window of an underwater vechile at this depth if the window is circular and has a diameter of 38.3 cm?

______N (answer)

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