I agree, I heard that astronaut cannot pee or shit while they are in space.
/ N- @+ o3 \- H1 [. k5.39.217.76It must be a painful joruney.tvb now,tvbnow,bttvb. ]7 g9 P b' |+ X" W3 o
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.公仔箱論壇, l |" M9 t, ? ?
I suggest you pack and pick other subject instead, if you really like Physics,
7 ]0 \; d0 K( i" H; h" P3 e* I5.39.217.76you need to switch school.tvb now,tvbnow,bttvb9 c) y+ k5 k; Q) Q; P
There is no 地心引力, but "gravitational" force only.tvb now,tvbnow,bttvb2 S) y. |7 q" F4 n
A simple meaning of Gravitational force = the force of attraction between any
6 T. b1 e* I3 y q# N7 |tvb now,tvbnow,bttvbtwo masses.
( p4 A; i3 z! L" V( B公仔箱論壇
- {. E7 F8 W# ?. P8 }6 Qtvb now,tvbnow,bttvbGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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