I agree, I heard that astronaut cannot pee or shit while they are in space.: U0 d& j: n- B* {: U4 u2 D. ~, C: ]
It must be a painful joruney.
5 _+ k- g" n$ qtvb now,tvbnow,bttvbOh BTW, if your lecturer talks about "地心引力" in your Physics class.( T& y) v6 p- Z& h& O% |
I suggest you pack and pick other subject instead, if you really like Physics, tvb now,tvbnow,bttvb0 i" g1 V% x2 _/ r& z/ C% z
you need to switch school.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。" a- s8 ]9 f) H; t* S
There is no 地心引力, but "gravitational" force only.tvb now,tvbnow,bttvb8 f9 B8 q; L2 k2 y, ]- T8 V+ N# n
A simple meaning of Gravitational force = the force of attraction between any ' |5 w; K6 ]* W. w4 W! V! c! }+ G
two masses.tvb now,tvbnow,bttvb# E5 m( Z x! V1 }4 R% W
9 b: e1 G# u" S5 S4 N5 jGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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