Pressure a vertical piston cylinder device contains a gas at an unknown pressure. if the outside pressure is 100 kpa, determine (a) the pressure of the gas if the piston has an area of 0.2 m2 and a mass of 20kg. assume g = 9.81 m/s2. (b) what-if scenario: what would the pressure be if the orientation of the device were changed and it were now upside down
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and atmospheric Pressure be 
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