I agree, I heard that astronaut cannot pee or shit while they are in space.( s, @ @2 A9 D1 R% I: B2 U
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。2 b: ?6 m( c* h3 E
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.公仔箱論壇5 o( d2 L8 [4 y9 ^+ L8 l; ~4 w& Y
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。3 f$ W+ X+ Q. S4 a. O
you need to switch school.
, H: T, W: O: O( u7 gThere is no 地心引力, but "gravitational" force only.
7 M7 S/ Z4 i; c0 F) D5 ZA simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇* ?9 G7 k- n3 U- `5 K
two masses.% s% j' x7 E5 ~6 a+ w9 ^) U
5.39.217.76: q. u, `: P8 Y; `6 r5 K
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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