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On Sat, 29 Sep 2007 19:31:04 -0700, Rob Arndt
wrote: The spaceplane continues to fly until it reaches its escape velocity of around 966 km/h. ..Flying machines don't have an escape velocity. Planets or stars have one, but not aircraft. We are talking about escaping _something_, but what? what does the number relate to? For the earth escape velocity is 7 miles per second, or a bit more than 40 000 km/h. Casady |
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