I agree, I heard that astronaut cannot pee or shit while they are in space.
q/ ^3 g0 i/ S+ ]# T9 P9 B1 DIt must be a painful joruney.
+ _ n! ?- p/ w4 Z9 nOh BTW, if your lecturer talks about "地心引力" in your Physics class.5.39.217.77, I, K* V, |2 ^* i
I suggest you pack and pick other subject instead, if you really like Physics,
+ Y/ u' C5 j' I6 q8 o# ^. yyou need to switch school.tvb now,tvbnow,bttvb8 D- Q. O, [" M" `, z
There is no 地心引力, but "gravitational" force only.; F+ e5 K* E! L: |
A simple meaning of Gravitational force = the force of attraction between any % z+ }3 e+ @2 I; }" Y' z# j
two masses.- j$ F& \. F* D; K
' J! p. q7 J% E# @( `5.39.217.77Gosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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