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That means the speed, compared to the speed of sound. For example, "mach 2" means twice the speed of sound.

Q: What is mach regarding speed?

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0,72 Mach is a subsonic speed. Mach number = speed of an object/speed of sound The speed of sound in dry air at 20 0C is 1 236 km/h.

Mach 1 is the speed of sound. 768 miles per hr. Mach 2 is twice that & so on.

Mach 0.8 = about 593.2 mph

The speed of sound is around 760 miles per hour = Mach 1. So Mach 4 is 4*760 = 3040 mph.

Mach 1 means the speed of sound. The speed of sound is 343meters per second, 1,126ft/sec or 768mph.

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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.

Maximum speed: Mach 0.96Operating speed: Mach 0.89

340.29 m/s

The "Mach number" is the speed of the aircraft as a percentage of the speed of sound. So an aircraft going at Mach 0.74 is traveling at 74% of the speed of sound. (Mach 0.74 is a typical airliner speed.)

Mach 2.

No, Mach is a unit of speed used to measure an object's speed relative to the speed of sound in the medium through which it is traveling. For example, Mach 1 is the speed of sound.

the Mach number

Mach refers to the speed of sound, for example, mach 1, equals the speed of sound, mach 2, the speed of sound times 2. So, mach 25 would mean, 25 times the speed of sound.

0,72 Mach is a subsonic speed. Mach number = speed of an object/speed of sound The speed of sound in dry air at 20 0C is 1 236 km/h.

Mach is the coefficient of the speed of sound, so Mach 1 means you are travelling at 1 x the speed of sound.

Answer Mach 12 Supersonic Speed usually refers to speed just above Mach 1, or as high as Mach 3. Hyper-speed is a higher range but there is no set definition.

Mach 1 is the speed of sound. 768 miles per hr. Mach 2 is twice that & so on.