A tank of 05 m3 volume contains compressed air a valve is, Ask an Expert

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A tank of 0.5 m3 volume contains compressed air. A valve is opened and air escapes with a velocity of 220 m/s through an opening of 100 mm2 area. At some time the air temperature passing through the opening is ?10 ?C and the absolute pressure is 200 kP a. Find the rate of change of density of the air in the tank at this moment.

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