Mach Number
Definition
The ratio of a projectile's speed to the ambient speed of sound; a Mach number greater than 1 indicates supersonic flight and the presence of a Mach-cone shock wave.
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Explained in
- Forensic Acoustics and Gunshot Acoustic AnalysisThe ratio of a projectile's speed to the ambient speed of sound; a Mach number greater than 1 indicates supersonic flight and the presence of a Mach-cone shock...