I agree, I heard that astronaut cannot pee or shit while they are in space.
# I4 x1 O9 T# m, q公仔箱論壇It must be a painful joruney.
. Y, ?8 N# X2 z4 R公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
* [' x- y7 D S! f+ X& F% htvb now,tvbnow,bttvbI 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。. L/ l& }7 ~2 w: K0 a
you need to switch school.
, j4 x* m9 O0 H# Z$ Q" OThere is no 地心引力, but "gravitational" force only.
0 ~ g( }+ {2 D5 M* _7 |# n$ h3 hA simple meaning of Gravitational force = the force of attraction between any
0 E) n; b# f$ Y/ k9 Z! E5.39.217.77two masses.
- l2 L# T: Q& f$ d* U" ltvb now,tvbnow,bttvb
a! e& h, w% a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
| 
