I agree, I heard that astronaut cannot pee or shit while they are in space. M* k7 s9 u) G& a5 b
It must be a painful joruney.
: L. J7 S( J% g. \ ~9 t: pOh BTW, if your lecturer talks about "地心引力" in your Physics class.
! I7 n( {' j$ ?. GI suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇$ T$ \6 ^: O" K7 G) i
you need to switch school.
- x: W0 H: t$ o& V/ _& j公仔箱論壇There is no 地心引力, but "gravitational" force only.公仔箱論壇% D$ C: f! w" A& g/ v: d
A simple meaning of Gravitational force = the force of attraction between any tvb now,tvbnow,bttvb* G% t. ^) F; D
two masses.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。- \. v! \4 s3 w1 b$ G. v
3 G8 @7 _, r# htvb now,tvbnow,bttvbGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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