I agree, I heard that astronaut cannot pee or shit while they are in space.
8 f9 ^: U( T) `# p+ FIt must be a painful joruney.公仔箱論壇! l" V5 T( ]' ~
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
) X1 y5 ~; b3 _* g/ c$ n t9 W Atvb now,tvbnow,bttvbI suggest you pack and pick other subject instead, if you really like Physics, " U) w, n7 F% g* [
you need to switch school.tvb now,tvbnow,bttvb* z' N4 ]5 Y, a2 u
There is no 地心引力, but "gravitational" force only.
+ s$ R2 q% Q+ o" l s+ v- MA simple meaning of Gravitational force = the force of attraction between any
; F3 K6 Z+ C2 ?( P) U1 y& otwo masses.5.39.217.76) Z6 K$ x4 g! [# E/ X7 X/ y
5 H- k7 `( N4 b8 T6 |8 s D2 B: L
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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