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What is mach number?​

User Markpirvine
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1 Answer

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Mach number is "the ratio of the speed of a body to the speed of sound in the surrounding medium" (Oxford Languages). Put simply, it's a ratio comparing the local flow velocity to the speed of sound in the medium.

It is represented with the following formula. M is the mach number, u is the local flow velocity, and c is the speed of the sound in the medium.


\boxed{\displaystyle M=(u)/(c) }

User Nikita Axyonov
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