I agree, I heard that astronaut cannot pee or shit while they are in space.& `9 T" D' p. E: x; Y) f
It must be a painful joruney.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。/ X6 k; u; ]6 u: l1 M% g
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
1 c, H7 G1 `( v- u7 Y7 k2 ^+ eI suggest you pack and pick other subject instead, if you really like Physics,
' }2 a7 ]: Y, x5 R7 p0 B P f公仔箱論壇you need to switch school.5.39.217.77:8898% G: T* n% }2 k' F# d& I" c
There is no 地心引力, but "gravitational" force only.2 `3 l2 l3 G% V! ^
A simple meaning of Gravitational force = the force of attraction between any 5.39.217.77:8898+ h6 d O" }0 i. { S; R/ a5 z
two masses.' \4 f2 g5 g$ g8 ~: S2 O) V5 g6 ] V
tvb now,tvbnow,bttvb" R- \1 X, F! b3 a! H" }8 A
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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