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。: j4 ~$ `1 r! b$ i
It must be a painful joruney.www3.tvboxnow.com" s& M3 e, m* W, A' f
Oh BTW, if your lecturer talks about "地心引力" in your Physics class." ]8 f/ U5 g4 F6 x
I suggest you pack and pick other subject instead, if you really like Physics,
( ]. n, N) z* ^; |3 p# ryou need to switch school.
w2 A8 H. ^' q8 r4 x公仔箱論壇There is no 地心引力, but "gravitational" force only.9 k8 V* Z" s* t5 X' I! x
A simple meaning of Gravitational force = the force of attraction between any 8 C0 n2 V4 n! g/ r7 n
two masses.
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. E/ y: @: O+ ]; ]% wwww3.tvboxnow.comGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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