Which of the following is a supersonic speed? Mach 0.005 Mach 0.05 Mach 0.5 Mach 5

asked May 22, 2018 6.1k views

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I just had this question, the correct answer is March 5

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Mach 5. Mach 1 is defined as the speed of sound. The number after “Mach” is the multiplier. So Mach 5 is 5x the speed of sound.

Hiroko answered May 29, 2018

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