I agree, I heard that astronaut cannot pee or shit while they are in space.
" g% a+ X7 }, f8 S! x+ R5 Q! ?tvboxnow.comIt must be a painful joruney." ^7 b8 I9 p. F+ Z( _
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.公仔箱論壇$ P' h/ V# g8 u, |
I suggest you pack and pick other subject instead, if you really like Physics,
5 B/ z6 R0 o$ ` y8 WTVBNOW 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。you need to switch school.公仔箱論壇% \3 D3 ~2 o7 p" f% q7 Z
There is no 地心引力, but "gravitational" force only." w4 I* j J9 \8 r8 [& |" } Y, ~& x
A simple meaning of Gravitational force = the force of attraction between any tvb now,tvbnow,bttvb' m; ]0 t7 u; [; G( z. K
two masses.
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- K8 G3 V, y0 D3 ^# c- rGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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