Mach number
It's like a high-speed train leaving the station!
Technical definition
A dimensionless quantity used to describe the ratio of an object's velocity to the speed of sound in its surroundings; a value above 1 indicates supersonic motion.
It's like a high-speed train leaving the station!
A dimensionless quantity used to describe the ratio of an object's velocity to the speed of sound in its surroundings; a value above 1 indicates supersonic motion.