I agree, I heard that astronaut cannot pee or shit while they are in space.tvb now,tvbnow,bttvb0 S7 n n0 O. X6 }
It must be a painful joruney.tvb now,tvbnow,bttvb' h* d: Q. } I7 x1 m+ y
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
9 ?2 z& [5 A2 ]) J4 ?: KTVBNOW 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。I suggest you pack and pick other subject instead, if you really like Physics, * O: G8 V; L4 T! m+ ~/ }2 G
you need to switch school.
6 e* I/ B }5 j: o' S* a5.39.217.76There is no 地心引力, but "gravitational" force only.
7 W' X: G. H+ JA simple meaning of Gravitational force = the force of attraction between any
* V" W8 r5 z0 f1 }9 o6 D3 y- Wtvb now,tvbnow,bttvbtwo masses.
* ~, U) c- C7 J1 y; r' W) Y* R9 ~tvb now,tvbnow,bttvb% B9 `9 {7 T+ ?* }1 `' k' z
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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