I agree, I heard that astronaut cannot pee or shit while they are in space.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。+ z- D6 r E6 C6 F4 e+ T$ U; o: ^& r
It must be a painful joruney.公仔箱論壇( _; v+ b$ d* A) {
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.- v$ Z+ h8 W: {1 V t
I suggest you pack and pick other subject instead, if you really like Physics, I2 c7 T; U7 v$ P6 O9 u5 L7 A F4 _
you need to switch school.
+ }0 A3 |& v0 Ptvb now,tvbnow,bttvbThere is no 地心引力, but "gravitational" force only.
. k X8 f w* M6 c) ~8 ?! a5 y3 n$ qA simple meaning of Gravitational force = the force of attraction between any
+ G9 X7 b7 |' E- q; p) e( T8 E公仔箱論壇two masses.
' d5 t* f; S* Q8 \5 ]9 ` ^tvb now,tvbnow,bttvb6 r+ G& u% a5 E% c" 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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