Quote:
Originally Posted by -FROG-
So.... in theory... it should be making that loud "boom" noise continuously (after a plane or object passes the barrier of 770MPH) right? You only hear it once because you are standing still.
However, if you could move faster than the object breaking the sound barrier, then you could move ahead of the object/plane and hear it again and again.
....interesting.
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the sound barrier changes with air density.
hence mach1 is the speed of sound, and not a mph.