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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 $1.0$
Select Option $3\times{10}^{8}\frac{m}{s}$$1\frac{m}{s}$$344\frac{m}{s}$$0\frac{m}{s} Mach 0.5 Select Option 516\frac{m}{s}$$344\frac{m}{s}$$0.5\frac{m}{s}$$172\frac{m}{s}$

Mach $0$
Select Option $688\frac{m}{s}$$3\times{10}^{8}\frac{m}{s}$$344\frac{m}{s}$$0\frac{m}{s} Mach 1.5 Select Option 1.5\frac{m}{s}$$516\frac{m}{s}$$344\frac{m}{s}$$0\frac{m}{s}$
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