+0  
 
+5
370
1
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w

ehat is the spped of mach 100,000

Guest Mar 13, 2017
 #1
avatar+12560 
0

Mach varies with altitude, temperature, humidity due to the changes in air density which affects the speed of sound

At sea level with dry air and 20 c   Mach 1 = 768 mph

768 mph x 100,000

768*100000 = 76800000 mph

ElectricPavlov  Mar 13, 2017

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