I agree, I heard that astronaut cannot pee or shit while they are in space.
7 |+ x" t$ q8 O" O5 ]$ \% ~+ d公仔箱論壇It must be a painful joruney.
( f2 q+ S3 ]$ J公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.www1.tvboxnow.com1 e# ?. F8 f6 d6 N0 n" M
I suggest you pack and pick other subject instead, if you really like Physics, www1.tvboxnow.com0 b: |9 F, N" m1 X" u
you need to switch school.
9 S/ L: Q" ^* A! V2 ZThere is no 地心引力, but "gravitational" force only.
6 U9 p8 S* t+ E9 o! fA simple meaning of Gravitational force = the force of attraction between any
& e1 D C0 c. W: p) e$ ^ @two masses.
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0 U/ w6 j# o% dtvb now,tvbnow,bttvbGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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