I agree, I heard that astronaut cannot pee or shit while they are in space.公仔箱論壇* y+ T+ j" V; Z0 D* A5 k% }( L8 a1 c
It must be a painful joruney.
* `( B( H# s# i* B: q) \+ EOh BTW, if your lecturer talks about "地心引力" in your Physics class.公仔箱論壇9 N( W* K% k5 _( j. Z p
I suggest you pack and pick other subject instead, if you really like Physics, 5.39.217.76' Z3 n' _* I. x: |0 C- Y6 V" f' \) \
you need to switch school.
1 Z2 b( i- L. ~, A' i1 kThere is no 地心引力, but "gravitational" force only.
: Q) Z4 ~+ }# [% rA simple meaning of Gravitational force = the force of attraction between any
+ K! v( ^! K. q }! J0 S& _0 n) j公仔箱論壇two masses.tvb now,tvbnow,bttvb* k* a1 ~1 Q4 {% f
$ P% I( |6 ]9 p9 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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