Physics, 09.11.2020 18:40 msdevdev777
The first supersonic flight was in 1947. It was just above the speed of sound. Which altitude would you expect Captain Yeager to have used for his flight?
Sea level
1,000m
13,700m (within altitude used by commercial planes today)
85,000m (where meteor showers originate)
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The first supersonic flight was in 1947. It was just above the speed of sound. Which altitude would...
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