___ NUMBER (SPEED RATIO) Crossword Clue
___ NUMBER (SPEED RATIO) Crossword Clue
We know 1 solutions for: ___ NUMBER (SPEED RATIO)
Crossword Puzzle Infos
The term MACH number (speed ratio) is a measure of the speed of an object relative to the speed of sound in the same medium. It is equal to the speed of the object divided by the speed of sound in the same medium. The Mach number is named after Austrian physicist and philosopher Ernst Mach, who first proposed it in 1877.