I agree, I heard that astronaut cannot pee or shit while they are in space.5.39.217.765 } b& x( |1 l# @
It must be a painful joruney. ]+ ]1 ?, X7 h1 A6 O
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
+ H( e3 K; ~3 ?" F0 b# j' c( ?tvb now,tvbnow,bttvbI suggest you pack and pick other subject instead, if you really like Physics, tvb now,tvbnow,bttvb& V: c- c/ f( M3 n t, k, T: B
you need to switch school.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 @) F& t; g: B( m$ f4 D
There is no 地心引力, but "gravitational" force only.
) v# M2 g$ |* ~. n. K公仔箱論壇A simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇( [+ M. z/ j5 Z
two masses.5.39.217.76/ c) S' @+ H3 D; K& Q; w# w
公仔箱論壇6 u7 V% q2 X* h, u
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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