Asked by Cam
if a plane is flying at a speed so that the apex half-angle of its shock wave is 30 degrees, what is the speed if the speed of sound is 320 m/s?
Answers
Answered by
drwls
sin 30 = 1/M = 1/2
M = 2 = V/a (the Mach number)
v = 2 a
a is the sound speed
M = 2 = V/a (the Mach number)
v = 2 a
a is the sound speed
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