I agree, I heard that astronaut cannot pee or shit while they are in space.www2.tvboxnow.com; A6 o! ? X7 [, k5 \! d: [% I! V
It must be a painful joruney.7 B0 Z7 u5 F L! ?) B
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
+ m* W- X$ e6 Q+ e! j* l4 y2 f- _I suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇* l% E+ J1 y5 i8 R. r
you need to switch school.
1 _3 G6 Y ?" \There is no 地心引力, but "gravitational" force only.
: K8 [9 R. y; k& P* vA simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇8 E* Q* Z, Q4 a4 Z) H% H
two masses.www2.tvboxnow.com; D$ o5 X+ `4 Z+ c# D: C8 I
公仔箱論壇$ w3 e. Y6 Z* q. E; d
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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