I agree, I heard that astronaut cannot pee or shit while they are in space.
" F' E$ Z; O0 U# X* |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。It must be a painful joruney.+ c+ X6 h* ?6 E- U( m) h( d
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.tvb now,tvbnow,bttvb: L: Y6 v% o' i0 F- X' D. q7 d
I suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇+ Z1 k7 u( t* z" j7 q8 `+ x# }8 @! O
you need to switch school.
6 o# R) t% E& i# k& e$ Y5.39.217.77There is no 地心引力, but "gravitational" force only.tvb now,tvbnow,bttvb6 i( M$ a( ]4 x) n0 _7 U
A simple meaning of Gravitational force = the force of attraction between any tvb now,tvbnow,bttvb* e' j9 Z2 q0 E: K: i9 U* L" K8 r
two masses.
+ v+ F# S- Z8 ?# L( _8 Ptvb now,tvbnow,bttvb) K' F+ U7 C$ q1 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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