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Thread: Mach VS IAS
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Old 25th January 2003 | 20:48
  #4 (permalink)  
atco-matic
 
Joined: Oct 2001
Posts: 183
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From: London
I thought speed of sound was dependant on air pressure? Hence as you go upwards pressure decreases with altitude hence speed of sound decreases... or was I not listening properly in that lecture??
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