I agree, I heard that astronaut cannot pee or shit while they are in space.tvb now,tvbnow,bttvb6 G/ L' ^( u5 T$ Y, Q" J
It must be a painful joruney.www.tvboxnow.com X, x" i' ^) ]" B1 C! _5 |
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
9 {! r% c2 f) C: x7 wI suggest you pack and pick other subject instead, if you really like Physics, . |. ` c7 M; q8 v5 }: o
you need to switch school.
# G: f: c0 P% E F公仔箱論壇There is no 地心引力, but "gravitational" force only.3 e9 c h0 Y4 U; B/ q8 A
A simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇: ?# t8 w% V. D
two masses.9 b0 K/ ~6 Z1 x. B! h% h
" _: }" m* e( @6 n# q公仔箱論壇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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