Waves and Sounds

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Determining the Speed of an Object from the Mach Number


The ratio of the speed of an object to the speed of sound is a dimensionless value known as the Mach number.

From the given Mach numbers, determine the speed of the object relative to air. Assume the speed of sound in air is $344\frac{m}{s}$.

Mach $1.0$

Mach $0.5$

Mach $0$

Mach $1.5$