I agree, I heard that astronaut cannot pee or shit while they are in space.4 @* j0 R! S. p% ^7 v
It must be a painful joruney.
: N' m* X: R+ LOh BTW, if your lecturer talks about "地心引力" in your Physics class.
+ l; D3 e/ Q6 Hwww2.tvboxnow.comI suggest you pack and pick other subject instead, if you really like Physics,
% d8 r6 W! ?: a" z7 U, g. d, o6 k& Nwww2.tvboxnow.comyou need to switch school.
7 I8 j& j' o' h P$ ]3 U公仔箱論壇There is no 地心引力, but "gravitational" force only.7 e+ Z. F1 o# o1 N( [6 D
A simple meaning of Gravitational force = the force of attraction between any q w+ t- a! }( s3 t
two masses.
: D8 r/ c% _" z/ x c7 X公仔箱論壇
5 J/ w% Q; r% q5 |+ ewww2.tvboxnow.comGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
| 
