I agree, I heard that astronaut cannot pee or shit while they are in space.
0 [+ z% ?7 \! I) G% e4 ?It must be a painful joruney.公仔箱論壇+ s2 `! v& M% Z7 L- k
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.2 O; k0 u: [4 T1 ]8 E' n" i7 _
I suggest you pack and pick other subject instead, if you really like Physics,
" I' t# g7 m4 x. J. B3 jyou need to switch school.
/ S" }7 a% `2 ~3 }6 ntvb now,tvbnow,bttvbThere is no 地心引力, but "gravitational" force only.5.39.217.769 a# Z8 e) A! L7 D
A simple meaning of Gravitational force = the force of attraction between any 5.39.217.767 C" H3 p( @: p/ `
two masses.
9 W; J; g% X: L; R1 {$ X% i5.39.217.762 _# F. A0 e# k5 z3 C
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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