On planet X, the absolute pressure at a depth of 2.30 m below the surface of a liquid nitrogen lake is 5.50×10^5 N/m^2 . At a depth 5.00 m below the surface, the absolute pressure is 8.50×10^5 N/m^2 . The density of liquid nitrogen is 808 kg/m^3
1. What is the atmospheric pressure on planet ?
2. What is the acceleration due to gravity on planet ?