A 2-ft3 tank, initially evacuated, develops a small hole ...

A 2-ft3 tank, initially evacuated, develops a small hole, and air leaks in from the surroundings at a constant mass flow rate of 0.004 lb/s. Using the ideal gas model for air, determine the pressure, in lbf/in.2, in the tank after 30 s if the temperature is 70°F. 2) A 0.5-m3 tank … ................
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