I agree, I heard that astronaut cannot pee or shit while they are in space.
% b. e! R6 w2 [' _It must be a painful joruney.
( [4 Q, P0 ~2 K1 v" G0 t. f4 }Oh BTW, if your lecturer talks about "地心引力" in your Physics class.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 M( N+ j1 [( x; P4 h: w3 Q' ?
I suggest you pack and pick other subject instead, if you really like Physics, 5.39.217.77:8898( g% v) b8 P4 [& `
you need to switch school.公仔箱論壇2 r8 n% N8 l( x: X- J
There is no 地心引力, but "gravitational" force only.
( u! Q- R' _( ~, M: ^3 _/ }* C1 Ctvb now,tvbnow,bttvbA simple meaning of Gravitational force = the force of attraction between any
L* {% p' Y2 [& u6 Rtwo masses.5.39.217.77:8898) m- ?5 _8 B; O" Q- K+ O& ^: g
5 q9 z! x' t6 ~+ Z3 d; Xtvb 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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