I agree, I heard that astronaut cannot pee or shit while they are in space.公仔箱論壇8 m" _* _ H; q$ L3 i, d
It must be a painful joruney.
9 \. ^3 R/ d" SOh BTW, if your lecturer talks about "地心引力" in your Physics class.
8 Q8 {. k' D) X+ b; a* W9 f3 fI suggest you pack and pick other subject instead, if you really like Physics, tvb now,tvbnow,bttvb# J: G% A( n) P( D: h8 Q8 [
you need to switch school.www3.tvboxnow.com, W! t+ K8 n+ V" K% J0 s
There is no 地心引力, but "gravitational" force only.
7 b9 z7 c8 L0 f( zA simple meaning of Gravitational force = the force of attraction between any
, N0 E2 \, G7 w1 E {" i$ B' cwww3.tvboxnow.comtwo masses.
- C6 [+ t8 D" o. n; e4 L公仔箱論壇* X5 A2 M: e0 D A4 e- d1 O
Gosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
| 
