I agree, I heard that astronaut cannot pee or shit while they are in space.tvb now,tvbnow,bttvb6 Y$ c" g9 x' v/ y H
It must be a painful joruney.
! e& m' A; J3 y' D. L! nos.tvboxnow.comOh BTW, if your lecturer talks about "地心引力" in your Physics class.
$ v( k; l" g* r2 G0 O公仔箱論壇I suggest you pack and pick other subject instead, if you really like Physics,
$ o* r: S. N) v; Los.tvboxnow.comyou need to switch school.
' l! f- C5 B/ @, ^1 o% M; f: m/ stvb now,tvbnow,bttvbThere is no 地心引力, but "gravitational" force only.
' q R5 T( o/ v8 ~3 p/ d% G" jtvb now,tvbnow,bttvbA simple meaning of Gravitational force = the force of attraction between any tvb now,tvbnow,bttvb( W% l$ x: ^) d/ x4 A$ Y) i- r$ v
two masses.
% g8 d0 i1 x7 }# p1 _/ `os.tvboxnow.com
4 G5 }4 p2 c- C8 J2 }8 T1 O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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