I agree, I heard that astronaut cannot pee or shit while they are in space.tvb now,tvbnow,bttvb9 }( m. D8 ]' f; ]! j
It must be a painful joruney.
, I. U7 ^# E# i5 T; {9 s公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
6 E# T8 V9 N: _/ ~% v) d! Xtvb now,tvbnow,bttvbI suggest you pack and pick other subject instead, if you really like Physics, # m/ j) h: D% |! B
you need to switch school.tvb now,tvbnow,bttvb0 i& D6 k0 V( n
There is no 地心引力, but "gravitational" force only.
7 v7 d i* {& I# IA simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇 @) {" w5 B& ]; P
two masses.
' f4 n7 s! F. s* Z. Xtvb now,tvbnow,bttvb
8 ~$ L5 o7 g M1 WGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
| 
