I agree, I heard that astronaut cannot pee or shit while they are in space.
( q5 j& t$ g5 H1 x7 UTVBNOW 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。It must be a painful joruney.tvb now,tvbnow,bttvb9 m% @# u4 W$ e/ r
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.tvb now,tvbnow,bttvb/ g* ^1 d ^% w K
I suggest you pack and pick other subject instead, if you really like Physics,
/ }0 v2 _9 ]8 }# S) c7 z1 ]you need to switch school.2 {+ Q6 c# ]1 g6 Z+ s
There is no 地心引力, but "gravitational" force only.
1 Z6 A4 H8 n- l: ~) U* [www2.tvboxnow.comA simple meaning of Gravitational force = the force of attraction between any tvb now,tvbnow,bttvb& | K4 t" Z; }! O: V9 n6 }, r$ ~2 z
two masses.
/ o3 Z7 E0 v7 |3 u. i9 M9 X& ztvb now,tvbnow,bttvb3 Q% D1 g, B, M; l$ t ]
Gosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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