Answer to Question #286390 in Physics for omar

Question #286390

A plane is travelling at Mach 0.58. If the local speed of sound is 300 m/s, what is the airspeed of the plane, in kilometers per hour?

Expert's answer

The Mach number is the ratio of flow velocity u to the speed of sound c:

"M=\\dfrac uc\u2192u=Mc=174\\text{ m\/s}."

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