I agree, I heard that astronaut cannot pee or shit while they are in space.
3 o% M; z1 A5 ~) @: I/ yIt must be a painful joruney.
7 g* u) c2 v3 P) c: Y* N+ z2 B6 h- VOh BTW, if your lecturer talks about "地心引力" in your Physics class.公仔箱論壇' V- @1 E$ k. ? m% }6 n4 s
I suggest you pack and pick other subject instead, if you really like Physics, TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。9 _; Z# i- K2 F, \2 w" Z' J% R3 p
you need to switch school.5.39.217.775 P4 l6 ?* \& N. y% ~: o
There is no 地心引力, but "gravitational" force only.
# i; f3 c& a4 ?) [/ @7 H& Qtvb now,tvbnow,bttvbA simple meaning of Gravitational force = the force of attraction between any
% e6 z/ X& [1 [/ j8 @5.39.217.77two masses.5.39.217.772 _" H$ T0 e! B9 ^* x9 x$ e
* J0 K+ g# A' R7 ~; n. k- wGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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