supersonic(redirected from Faster than sound)
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being, having, or capable of reaching a speed in excess of the speed of sound
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
Of, pertaining to, or dealing with speeds greater than the speed of sound.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A flight of a body at a speed greater than the local speed of sound. See subsonic.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
speed of soundSound waves travel at approximately 750 mph at sea level, but slow down at higher altitudes. The speed of sound is called "Mach 1." Supersonic refers to speeds from Mach 1 to Mach 5 (1 to 5 times the speed of sound), and hypersonic ranges from Mach 5 to Mach 10 (5x to 10x).
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