I agree, I heard that astronaut cannot pee or shit while they are in space.
, `5 y1 ?) ], |3 [( {, i: n% r, UTVBNOW 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.6 B( w, f+ G3 y& H+ c
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.公仔箱論壇1 {. h# [$ l, O' o5 b6 s
I suggest you pack and pick other subject instead, if you really like Physics, , f7 s) r2 e9 B2 N g
you need to switch school.tvb now,tvbnow,bttvb: p0 c! ^# ^ y$ r; T, Q2 m% T
There is no 地心引力, but "gravitational" force only.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。" c, @* F) w F
A simple meaning of Gravitational force = the force of attraction between any # Q% F5 S/ y2 e" p- Z l: y
two masses.tvb now,tvbnow,bttvb' }" E- K( B6 N+ n/ J7 e( g
4 u" c9 T( e* M- E% A, r5 ~# O9 MGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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