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August 31, 2015

Homework Help: physic

Posted by Chan on Saturday, November 28, 2009 at 9:56pm.

Hi! I really need help on Part B only.
(a) Calculate the absolute pressure at the bottom of a freshwater lake at a depth of 28.7 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.
(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 40.9 cm?

So, I try to convert 40.9cm to 0.409*9.8 but, it not right.

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