I agree, I heard that astronaut cannot pee or shit while they are in space.tvb now,tvbnow,bttvb* p( U% ?/ N" D, [' K; K
It must be a painful joruney.
; a8 b- g) d, O" h& Q, [tvb now,tvbnow,bttvbOh BTW, if your lecturer talks about "地心引力" in your Physics class.
w j7 A5 f* E公仔箱論壇I suggest you pack and pick other subject instead, if you really like Physics,
8 v6 L7 I- i. B+ q, H& x: 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。you need to switch school.
. P1 ~) v# G0 E5.39.217.76There is no 地心引力, but "gravitational" force only.
& I$ q: Y& w; C$ m3 k公仔箱論壇A simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇& _8 ]9 Q' |% C% h
two masses.
; x% Y: z2 A& _5 U# r% O5.39.217.76# i0 F& _! g0 e+ V4 u6 f
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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