I agree, I heard that astronaut cannot pee or shit while they are in space.公仔箱論壇* p: s- v' B. `$ ]3 N% G; K
It must be a painful joruney.
" h$ \8 r2 r: a公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
) L/ [+ j2 U6 i9 K) t! OTVBNOW 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。I suggest you pack and pick other subject instead, if you really like Physics, . v! P$ S% D* X8 E$ p
you need to switch school.
, K" z% m8 `' _" p1 a' O公仔箱論壇There is no 地心引力, but "gravitational" force only.
* S, r4 t& I1 p公仔箱論壇A simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇; H$ ?& U0 A4 W( k
two masses.
G- f/ `4 s% `
1 V E" V* i" f5.39.217.77Gosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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