Satellite Orbits - Energy - Power |
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Written by Nuntaya
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Monday, 26 March 2012 10:08 |
ที่มา : www.youtube.com Upload by MIT
In this lecture, bound and unbound orbits are discussed. Professor Lewin begins with a description of escape velocity, or the minimum speed required to escape the gravitational pull.
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Last Updated on Tuesday, 27 March 2012 16:10 |