I agree, I heard that astronaut cannot pee or shit while they are in space.公仔箱論壇2 R' X( K" }4 D* g9 N5 }
It must be a painful joruney.' \( U- B- x$ U, @1 h4 G, N1 J
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
, Q! z7 K# u( }" B5.39.217.76I suggest you pack and pick other subject instead, if you really like Physics,
# V2 ]( d$ }: T7 I. k) f5.39.217.76you need to switch school.# P0 _2 K A" {, P" D" j$ R$ E8 [
There is no 地心引力, but "gravitational" force only.7 G; E4 A& L+ s9 c; u
A simple meaning of Gravitational force = the force of attraction between any
" z8 T% D8 p: N( [" F h: F公仔箱論壇two masses.
( k( r# I5 K, ptvb now,tvbnow,bttvb- Q( c0 g' m( Y0 B/ t
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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