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What is the velocity of the air at degree 70C flowing at Mach 2.00?

What is the velocity of the air at degree 70C flowing at Mach 2.00?

Engineering   Mechanical-Engineering   
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Answer #1

Mach number is defined as the ratio of velocity of object to the velocity of sound

In the above problem Mach number 2 means velocity of air / velocity of sound =2

Velocity of air =2*371.2=742.4m/sec

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