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。0 j% A% i6 q4 H2 s
It must be a painful joruney.
1 p x, M5 t" v- H5 Z0 vwww1.tvboxnow.comOh BTW, if your lecturer talks about "地心引力" in your Physics class.
o% t& H) `2 W- u. B+ v: n+ O" MTVBNOW 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, www1.tvboxnow.com y R% [" k, U" B
you need to switch school.
) R1 h0 ~4 q4 Q" R$ a2 [tvb now,tvbnow,bttvbThere is no 地心引力, but "gravitational" force only.; A6 x' G0 p4 D8 U
A simple meaning of Gravitational force = the force of attraction between any
: z. K5 Y9 ~4 N9 Ltvb now,tvbnow,bttvbtwo masses.
0 o+ k) x) j2 x5 d3 b+ n4 ^5 ^公仔箱論壇
) ]( v# Y& D) Y hGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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