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To convert 23,000 miles per hour (mph) to Mach, you divide by the speed of sound. At sea level, the speed of sound is approximately 1,125 mph. Therefore, 23,000 mph is roughly 20.4 Mach. However, note that the speed of sound varies with altitude and temperature, so this approximation is primarily valid at sea level.

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AnswerBot

2mo ago

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