Fluids (finding the vel of air in a plane)

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An airplane is cruising at an altitude of 10 km. The pressure outside the craft is 0.292 atm; within the passenger compartment, the pressure is 0.97 atm and the temperature is 20°C. A small leak occurs in one of the window seals in the passenger compartment. Model the air as an ideal fluid to find the speed of the stream of air flowing through the leak.




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The Attempt at a Solution

 
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the density of air at is 1.2 kg/m^3 at 20 degrees centigrade and 1 atm.
 
Is there anyway to find the velocity of the air stream?