I agree, I heard that astronaut cannot pee or shit while they are in space.公仔箱論壇- S0 W- \( ?. z
It must be a painful joruney.5.39.217.77( ?! j8 B* F5 j& Q! m8 s. a
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.; V. U2 z! [# ?
I suggest you pack and pick other subject instead, if you really like Physics, ( |0 f) k9 N7 K3 G# K
you need to switch school.公仔箱論壇- h0 Z% }" ^ S9 d" l
There is no 地心引力, but "gravitational" force only.
9 i8 U/ I, d: LA simple meaning of Gravitational force = the force of attraction between any
" p& ?5 E& C) j# Y+ X \1 n" Rtwo masses.tvb now,tvbnow,bttvb. d) T( R+ p0 V, Y0 p5 F* D# {
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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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