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(Solved): Air is contained in a vertical piston-cylinder assembly such that the piston is in static equilibriu ...



Air is contained in a vertical piston-cylinder assembly such that the piston is in static equilibrium. The atmosphere exerts a pressure of

101kPa

on top of the 0.2 -m-diameter piston. The gage pressure of the air inside the cylinder is

1.6kPa

. The local acceleration of gravity is

g=9.81(m)/(s^(2))

. Subsequently, a weight is placed on top of the piston causing the piston to fall until reaching a new static equilibrium position. At this position, the gage pressure of the air inside the cylinder is

2.8kPa

. Determine (a) the mass of the piston, in

kg

, and (d) the mass of the added weight, in

kg

.



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