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# What is mach regarding speed?

Updated: 9/24/2023

Wiki User

10y ago

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

Wiki User

10y ago

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Q: What is mach regarding speed?
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### How fast is Mach 1 Mach 2 Mach 3 Mach 4 etc to the fastest Mach level on record?

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.

### What is the Mach of Airbus A380?

Maximum speed: Mach 0.96Operating speed: Mach 0.89

340.29 m/s

### What is mach in airplane testing?

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.

### Is Mach a measurement of speed?

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

### What does Mach 25 mean?

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.

### What speed is 0.72 Mach?

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.

### What is mach jet?

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

### How fast is speed?

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 speed is how many miles?

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