I agree, I heard that astronaut cannot pee or shit while they are in space.
0 |9 p1 p5 C1 ^5 V. xTVBNOW 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.8 q1 H; H* l3 X! k
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
! h: M: |! I0 v; C' C6 stvb now,tvbnow,bttvbI suggest you pack and pick other subject instead, if you really like Physics, tvb now,tvbnow,bttvb- R6 H7 j+ {7 @( \% A: ?1 a
you need to switch school.5.39.217.769 ?$ r, O+ g: M9 N
There is no 地心引力, but "gravitational" force only.
c/ b; u2 q& W! o' g0 |5.39.217.76A simple meaning of Gravitational force = the force of attraction between any " Z# U; e: K: J+ e7 I9 c
two masses.+ n! [- |+ N m% y7 u: x, h
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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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