I agree, I heard that astronaut cannot pee or shit while they are in space.
% J. \3 k# G' C& Y3 gtvb now,tvbnow,bttvbIt must be a painful joruney.
0 i! i+ M0 \( `: ]6 A. n0 |0 o, \5.39.217.77Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
' ~4 B7 h- o# S7 E+ PI suggest you pack and pick other subject instead, if you really like Physics,
& G# O" k' L9 A) t5 c) o7 Wyou need to switch school.5.39.217.773 _ L/ T5 P4 p" ]+ x8 w* d9 J0 h
There is no 地心引力, but "gravitational" force only." e5 [6 B2 W: K) [
A simple meaning of Gravitational force = the force of attraction between any . `0 B2 D8 @! m4 g5 Z
two masses.5 X' E$ Z9 C% t
7 b V: _$ B1 `3 H公仔箱論壇Gosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
| 
