I agree, I heard that astronaut cannot pee or shit while they are in space.: R6 C/ k) k1 s5 d7 I& [. k
It must be a painful joruney.
! n& Z3 `2 q, I L. Q1 lwww3.tvboxnow.comOh BTW, if your lecturer talks about "地心引力" in your Physics class.
& ?! u: B; O0 E- G8 j1 ^. P公仔箱論壇I suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇" y1 V) y+ o9 I, q/ j8 C7 ~
you need to switch school.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。' `2 q: {; u) v, w" r2 a G4 u
There is no 地心引力, but "gravitational" force only.www3.tvboxnow.com, r& l) \& Y5 t. r' D6 z$ O4 S
A simple meaning of Gravitational force = the force of attraction between any tvb now,tvbnow,bttvb3 ?8 ~5 ^7 E5 Y. y
two masses.
6 }4 P% w/ _9 `5 cwww3.tvboxnow.com
+ n7 ?2 b4 T, s) `- H2 s3 o; c0 PGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
| 
