I agree, I heard that astronaut cannot pee or shit while they are in space.
" q$ q. k" D) _, z. z- U# U/ b公仔箱論壇It must be a painful joruney.' q R+ z: J s; G1 Z3 i
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.* g; G/ q9 N$ `% X2 a7 [8 b+ ~
I suggest you pack and pick other subject instead, if you really like Physics, 5.39.217.77:88988 k4 R# M9 n) W. X" _% \6 t
you need to switch school.5.39.217.77:8898; K# q% O% G" Z% J y- V
There is no 地心引力, but "gravitational" force only.6 @8 C7 ?: v7 V- W k) `1 f
A simple meaning of Gravitational force = the force of attraction between any
0 l2 K9 r1 L6 L. |8 L8 Ttwo masses.tvb now,tvbnow,bttvb( o; _, i) K0 z" t
公仔箱論壇: y! [5 d; R, L T; F% h; m
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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