I agree, I heard that astronaut cannot pee or shit while they are in space.公仔箱論壇" }" z H6 e7 b/ Y$ s5 ]3 @/ N9 v
It must be a painful joruney.5.39.217.77:8898; j* }" A* \( g( }6 r$ h8 X
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.+ a, ]+ }+ m4 [ T0 u8 F- j W B
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。) Z) t; Z5 R" A
you need to switch school.
- u9 m6 \, p: yThere is no 地心引力, but "gravitational" force only.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。: ^, ^8 I. P% n4 K
A simple meaning of Gravitational force = the force of attraction between any " k5 n$ G" z* N4 q. M
two masses.
/ Y8 {, e* d% H8 Z: ^! k3 c ?# \
* h v' r# m+ N5 {: M" [9 k公仔箱論壇Gosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
| 
