I agree, I heard that astronaut cannot pee or shit while they are in space.
; u. s+ X( S* g) X5.39.217.77:8898It must be a painful joruney.tvb now,tvbnow,bttvb' L) }5 `3 }$ N& ?
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.tvb now,tvbnow,bttvb; ]6 z1 p' u8 `' x2 ~4 f
I suggest you pack and pick other subject instead, if you really like Physics,
. ^% k7 ^1 q1 Y; N; a, Q公仔箱論壇you need to switch school./ R, y$ F6 `( s) V
There is no 地心引力, but "gravitational" force only.tvb now,tvbnow,bttvb9 {% y p4 _! P" T) v5 @# T
A simple meaning of Gravitational force = the force of attraction between any
' W! A! w$ J: {- |# C. w, T5.39.217.77:8898two masses.% g+ Q3 @ ~3 H4 n1 v
% E, W* h# B' \( W& L+ T: p# p+ X公仔箱論壇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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