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A 1-m3 insulated tank contains air at 1 MPa, 560 K. The tank is now discharged through a small convergent nozzle to the atmosphere at

A 1-m3 insulated tank contains air at 1 MPa, 560 K. The tank is now discharged through a small convergent nozzle to the atmosphere at 100 kPa. The nozzle has an exit area of2 x 10-5 m2.
a. Find the initial mass flow rate out of the tank.
b. Find the mass flow rate when half the mass has been discharged.

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