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A vertical, frictionless piston cylinder contains air at a pressure of 300 kPa with atmospheric pressure of 100 kPa. The diameter of the piston is

A vertical, frictionless piston cylinder contains air at a pressure of 300 kPa with atmospheric pressure of 100 kPa. The diameter of the piston is 0.25 m, and g = 9.8 m/s².Determine the piston\'s mass.

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