2004/11/23 | q[q]
类别(Ω〖物理〗) | 评论(0) | 阅读(39) | 发表于 13:06
The lower-case letter q is used for a number of different purposed in physics. It is commonly used to denote the deceleration parameter, a generalized coordinate, or the oblateness constant. In celestial mechanics,q is defined for a parabolic orbit as

where h is the specific angular momentum, G is the gravitational constant, M is the mass of the central body, and mu is defined by
0

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