An 80 mm diameter hole is punched into a large vessel storing air at 300 K and 10 atm[abs]. Calculate the (initial) mass flow rate through the hole if the ambient pressureequals: a) 1 atm [abs]; and b) 0 atm [abs].   gamma = 1.4, R = 287 J/kgK PLease show all work!!

Elements Of Electromagnetics
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An 80 mm diameter hole is punched into a large vessel storing air at 300 K and 10 atm
[abs]. Calculate the (initial) mass flow rate through the hole if the ambient pressure
equals: a) 1 atm [abs]; and b) 0 atm [abs].
 
gamma = 1.4, R = 287 J/kgK
PLease show all work!!
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