I agree, I heard that astronaut cannot pee or shit while they are in space.
2 G: o. i9 Z" u0 _ A8 s公仔箱論壇It must be a painful joruney.tvb now,tvbnow,bttvb. K3 D. b- u& q4 b9 E; ~
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.公仔箱論壇* a* f- V- i: [& f* Q( P0 o0 B
I suggest you pack and pick other subject instead, if you really like Physics,
# R9 g# Z7 f& p公仔箱論壇you need to switch school.
: f! [7 r- z6 H! w5 lThere is no 地心引力, but "gravitational" force only.
! L+ o$ q* H/ U' G+ w5.39.217.76A simple meaning of Gravitational force = the force of attraction between any 2 B! N) f/ r1 c$ k: I1 M
two masses.
! ?! V) I& x$ i9 @; s5.39.217.76公仔箱論壇6 t/ Y( c# B# ~2 }1 s
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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