The gravitational force exerted by an object is given by F = mg, where F is the force in newtons, m is the mass in kilograms, and g is the acceleration due to gravity (9.81 m/s 2).
(a) Use the definition of the pascal to calculate the mass (in kg) of the atmosphere above 1 m2 of ocean. (1 Pa = 1.01325x105 N/m2)
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