I agree, I heard that astronaut cannot pee or shit while they are in space.
4 O8 M% H0 T' y6 G4 h5 d& Vtvb now,tvbnow,bttvbIt must be a painful joruney.
& b! O9 Q7 `! AOh BTW, if your lecturer talks about "地心引力" in your Physics class.
5 x, j/ H1 Z# U2 _' n m4 J/ btvb now,tvbnow,bttvbI suggest you pack and pick other subject instead, if you really like Physics, tvb now,tvbnow,bttvb' J- R! q# Z* x. `% x3 Z
you need to switch school.
l. u& ^( o+ o4 B公仔箱論壇There is no 地心引力, but "gravitational" force only.
1 _% U% R" o+ |. t公仔箱論壇A simple meaning of Gravitational force = the force of attraction between any % H5 \+ E5 I8 n7 l$ C! N, n
two masses.
, Y' Q9 }1 g, m2 itvb now,tvbnow,bttvb3 S3 e6 C4 r8 \6 c# e
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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