I agree, I heard that astronaut cannot pee or shit while they are in space.
# H/ D$ U% v, ~/ Y( J- j公仔箱論壇It must be a painful joruney.7 { I) ^* R9 y) M# O0 H
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
! C- R U5 @8 x; C# ~I suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇2 z7 }' p+ _8 ~' j
you need to switch school.6 K/ I$ D1 |% T4 m9 u9 T, O
There is no 地心引力, but "gravitational" force only.公仔箱論壇( t* j( a7 k0 d. d$ K/ V0 Y; T
A simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇' E0 j7 @3 w$ S$ b$ C% \
two masses.tvb now,tvbnow,bttvb. s$ ~8 ?" \3 G) w# J
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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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