I agree, I heard that astronaut cannot pee or shit while they are in space.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。4 \6 q" E2 G+ A" n+ i
It must be a painful joruney.tvb now,tvbnow,bttvb2 n! U7 B7 W; p( q* B5 m' z7 V
Oh BTW, if your lecturer talks about "地心引力" in your Physics class." a8 r1 u; c ]
I suggest you pack and pick other subject instead, if you really like Physics,
6 A5 L t: d3 `9 Y$ f5 Nyou need to switch school.
2 B9 B# |% f9 E2 z; Y" @1 s公仔箱論壇There is no 地心引力, but "gravitational" force only.tvb now,tvbnow,bttvb& C/ ~; W8 J" ?: }( H/ x: O
A simple meaning of Gravitational force = the force of attraction between any tvb now,tvbnow,bttvb2 I3 l, j& z% W% h- v8 w' Y' t
two masses.
$ B/ E4 K3 a0 J# q公仔箱論壇* u3 q. B* i, F# T
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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