I agree, I heard that astronaut cannot pee or shit while they are in space.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。& k1 C1 [# A; f' `( R5 s$ z
It must be a painful joruney.tvb now,tvbnow,bttvb E# o9 x4 L# }+ ^+ ~
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.5.39.217.77+ }# I3 i! }* y3 {
I suggest you pack and pick other subject instead, if you really like Physics,
s D; X( |, z+ a( ^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。you need to switch school.
0 E. f% S6 P4 b b, B公仔箱論壇There is no 地心引力, but "gravitational" force only.
- C* E0 p/ i( l i, T# H4 l1 M( }( u5.39.217.77A simple meaning of Gravitational force = the force of attraction between any + v5 i3 D) V5 I' Q) v) e
two masses.
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; f ]4 [$ }# c' A G% `; K$ k5 sGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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