I agree, I heard that astronaut cannot pee or shit while they are in space.tvb now,tvbnow,bttvb. L7 [3 E# l5 B+ S+ K8 b8 t4 C- Z
It must be a painful joruney.
m; _' x/ L* i公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.3 M& e U$ F X( L' O; t7 N; m
I suggest you pack and pick other subject instead, if you really like Physics, tvb now,tvbnow,bttvb" \ G5 C J% ~9 l* f+ V
you need to switch school.tvb now,tvbnow,bttvb% ~- |& Z8 Q! J: k) F
There is no 地心引力, but "gravitational" force only.公仔箱論壇6 T; ]" j/ ?7 _7 I9 Y+ r
A simple meaning of Gravitational force = the force of attraction between any . s+ E' [+ |4 t6 e; j
two masses.公仔箱論壇0 }* ]* S; y. H, _1 _
公仔箱論壇+ d3 e. S( J3 g5 x! q) B
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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