I agree, I heard that astronaut cannot pee or shit while they are in space.公仔箱論壇& M/ F6 B" P3 ~' C% \; e9 T
It must be a painful joruney.tvb now,tvbnow,bttvb+ l! g- b p1 j0 M, C0 Y4 g. ?: Q
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.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。: O! ?$ k: K: p* S) i
I suggest you pack and pick other subject instead, if you really like Physics, ! M# ]5 E7 o. }# e3 R
you need to switch school.
4 F7 T3 k4 ~4 E8 G' V2 V+ o$ e公仔箱論壇There is no 地心引力, but "gravitational" force only.
- {, U! p$ Z4 y A. ?0 \5.39.217.77A simple meaning of Gravitational force = the force of attraction between any / o- S! z9 X5 |) ^ A1 }
two masses.
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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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