4. (a) Calculate the absolute pressure of the bottom of a fresh-water lake at a depth of 27.5 m. Assume the density of the water is 1.00 x 10Ā³ kg/mĀ³ and air above is at a pressure of 1.013 x 10? 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 35.0 cm?
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013 \times 10^5 \, \text{Pa} \) (atmospheric pressure) \( \rho = 1000 \, \text{kg/m}^3 \) (density of water) \( g = 9.81 \, \text{m/s}^2 \) (acceleration due to gravity) \( h = 27.5 \, \text{m} \) (depth) Show moreā¦
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