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Sadly the answer depends on a lot of things such as air density, temperature, humidity, and the properties of the air flow (which at mach 9 may behave like plasma). That said - the simply answer making a whole lot of assumptions is:
Mach 1=343.2 m/s which multiplied by 9 is 3.088 km/s.
NB:
Mach, in itself, is not a measure of speed. It is the speed of an object relative to the speed of sound travelling in the same medium.
What else can I help you with?
How many kilometers per hour are in eleven Mach?
there are 13,475 kilometers per hour
What is the equivalent of 1 mach speed to kilometers per hour?
It depends on altitude and humidity Mach I is about 1,225 kilometers per hour.
How fast is mach 1.7 in km?
Mach 1.7 is approximately 2,088 kilometers per hour.
How fast is mach two?
Mach one is the speed of sound, which is about 761.2 miles per hour (340.3 meters per second). Mach two is twice the speed of sound, which is about 1,522.4 miles per hour (680.6 meters per second).
What mp is mach 5?
Mach 5 speed is equivalent to approximately 3,836 miles per hour (6,174 kilometers per hour).
Mach 2 equals kilometers per hour?
2473.92 km/h
How many miles per hour is Mach speed?
Mach 1 is 761.21 mph.Use this equation to convert Mach to miles per hour: mach x 761.21 = mph
How fast is 80 mach?
At sea level, Mach 80 would be approximately 97,488 kilometers per hour (60,596 miles per hour). This speed is significantly faster than the speed of sound, which is about 1,235 kilometers per hour (767 miles per hour) in dry air at 20°C (68°F).
How many miles per hour is mach 2?
Mach 1 = 761.207051 Miles Per Hour Mach 2 = 1,522.4141 Miles Per Hour Mach 3 = 2,283.62115 Miles Per Hour Mach 4 = 3,044.8282 Miles Per Hour http://en.wikipedia.org/wiki/Mach_number
How many miles per hour is 2.5 mach?
1,903 miles per hour.
How fast is mach 78?
Mach 78 refers to a speed that is 78 times the speed of sound. At sea level, the speed of sound is approximately 1,235 kilometers per hour (767 miles per hour), which means Mach 78 would be around 96,330 kilometers per hour (59,950 miles per hour). This speed is well beyond the capabilities of current aircraft and is more relevant in theoretical discussions about hypersonic travel.
How many miles per hour is mach 85?
Mach 85 is 64,702.6 mph
