What is the Mach angle of the flow ?

What is the Mach angle for a flow at Mach 2.0 ?

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    Mach angle for a flow is defined as \[\mu =sin^{-1}\left ( \frac{1}{M} \right )\]
    \(\\\Rightarrow \mu =sin^{-1}\left ( \frac{1}{2.0} \right )
    \\\Rightarrow \mu =sin^{-1}\left ( 0.5 \right )
    \\\Rightarrow \mu =30^{\circ}\)

    Therefore Mach angle for a flow at Mach 2 is 30 degrees.

     

    Answered on 2nd October 2019.
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