Mach 1 (or the speed of sound) is 1,225km per hour
Mach 75 is there for 91,875 km/h
the Mach number
Speeds faster than Mach 1 are measured in multiples of Mach, such as Mach 2 (twice the speed of sound), Mach 3 (three times), and so on. Each Mach number represents the speed of an object in relation to the speed of sound.
Mach 889 is about 659,233 mph
Mach 1.4 is approximately 1,062.72 miles per hour.
Mach 0.6 = 457 mi/h
640 acres = 1 sq mile 75 acres = 75/640 = 0.1172 sq miles (4dp)
The mach number is the speed, compared to the speed of sound in air. Thus, mach 1 is the speed of sound, mach 2 is twice (2 times) the speed of sound, mach 3 is 3 times the speed of sound, etc.
There is no plural for the noun 'mach'; the different levels of mach are usually shown by a numeral for various speeds, such as mach 1 or mach 2.
Maximum speed: Mach 0.96Operating speed: Mach 0.89
the Mach number
Ernst Mach .
To mach for you if you cant spell it.
Mach 2.
The homophone for "mach" is "mock."
Speeds faster than Mach 1 are measured in multiples of Mach, such as Mach 2 (twice the speed of sound), Mach 3 (three times), and so on. Each Mach number represents the speed of an object in relation to the speed of sound.
No Mach 2.3
Mach 3 is 2283.6211 mph because Mach 1 equals 761.207033 mph.