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Local speed sound
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19th May 2010 | 09:42
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syedo
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abu dhabi
lets see...
at 28000 ft, the temperature at ISA+10 will be -31 degree celcius.
from the calculator that i found here :
Speed of sound in air and the temperature calculator air pressure - table density of air calculation acoustic impedance air density sea level velocity ideal gas 20 degrees or 21 degrees Celsius C - sengpielaudio Sengpiel Berlin
the speed of sound will be = 605.945 knots....
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