I agree, I heard that astronaut cannot pee or shit while they are in space.tvb now,tvbnow,bttvb$ p- t$ h2 L, U* G
It must be a painful joruney.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。' Y8 ~; j- X3 L& N
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.公仔箱論壇2 X; _/ I0 y3 c3 r
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。: `. u, W* u9 X9 Q' W5 L: U% h
you need to switch school.5.39.217.769 a) N% E. \& H6 w
There is no 地心引力, but "gravitational" force only.
2 A+ n9 c3 v: k6 b; J/ C2 ?公仔箱論壇A simple meaning of Gravitational force = the force of attraction between any
% X/ G* g' |( C1 Ftwo masses.公仔箱論壇# _6 U) a; H1 ^" q
) ~- I# ?, |& x) z. _5 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
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