I agree, I heard that astronaut cannot pee or shit while they are in space.
- a- P" b4 T8 Y! ?( A V# dIt must be a painful joruney.
4 V& p5 i1 [$ E( J! d2 xOh BTW, if your lecturer talks about "地心引力" in your Physics class.公仔箱論壇4 P; J8 w& J/ O- B3 @
I suggest you pack and pick other subject instead, if you really like Physics, - n# \$ e# n u% A3 k( p" P
you need to switch school.% h% ]2 a- _, |% V& x
There is no 地心引力, but "gravitational" force only.
+ C/ f' x! b* q: e" A公仔箱論壇A simple meaning of Gravitational force = the force of attraction between any
1 H9 U x; L! j, K v公仔箱論壇two masses.$ E3 H9 x) o* s+ s- q& n$ P
0 U. D- i/ v8 K9 DGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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