Essay
On planet X, the pressure at a depth of 2.00 m below the surface of a liquid nitrogen lake is 5.00 × 105 N/m2. At a depth 5.00 m below the surface, the pressure is 8.00 × 105 N/m2. The density of liquid nitrogen is 808 kg/m3.
(a) What is the atmospheric pressure at the surface of the lake?
(b) What is the acceleration of gravity on planet X?
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