关于天体运动能量问题 天体运动的能量来自哪里
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Ek1>Ek2 能量守恒
mV1¤2/r=mM/R¤2*G.两次分别求V，然后球Ek
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绛旓細瀵逛簬澶╀綋杩愬姩鐨勭壒娈婃儏鍐碉紝鏈 F(r) == - G M m u^2 (7)灏(7)浠ｅ叆(6)锛屽寲绠寰 d^2 u / d胃^2 + u - G M m^2 / L^2 == 0 (8)瀹规槗鐪嬪嚭璇ユ柟绋嬫槸涓绠璋愯繍鍔紝鍏惰В涓 u - G M m^2 / L^2 == (2 m E)^(1/2) / L * cos 胃 (9)浠ｅ叆 u == 1 / r 锛 ...
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