__ 1: SPEED OF SOUND Crossword Clue
__ 1: SPEED OF SOUND Crossword Clue
We know 1 solutions for: __ 1: SPEED OF SOUND
Crossword Puzzle Infos
The answer to the crossword puzzle is 'MACH', which is a unit of speed equal to the speed of sound. It is named after Austrian physicist Ernst Mach, who studied the properties of supersonic speeds. The speed of sound is approximately 340 meters per second in dry air at sea level.