Physics · Wave and Sound
What does the Mach number represent in fluid dynamics and aerodynamics?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The coefficient of thermal expansion
- 2The ratio of absolute temperature to pressure
- 3The ratio of the speed of an object to the speed of sound in the surrounding medium✓
- 4The ratio of an object's mass to its volume
Correct answer
The ratio of the speed of an object to the speed of sound in the surrounding medium
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