I agree, I heard that astronaut cannot pee or shit while they are in space.公仔箱論壇" n; V+ ?0 j8 F6 y+ ~, }( y/ w
It must be a painful joruney.www2.tvboxnow.com4 ^4 v, z c& H3 Q8 p0 D6 x5 t
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.公仔箱論壇. A2 r4 ]0 u) ^2 r7 L6 v
I suggest you pack and pick other subject instead, if you really like Physics,
$ M1 [& x6 m2 P3 vwww2.tvboxnow.comyou need to switch school.公仔箱論壇; s( [1 M7 o9 w5 Z/ q
There is no 地心引力, but "gravitational" force only.公仔箱論壇4 H+ u7 ]& q& V' n# Y# H" H
A simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇2 C' w6 O8 t: e. B" _
two masses.
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& x1 e! u. U% c$ W7 \公仔箱論壇Gosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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