I agree, I heard that astronaut cannot pee or shit while they are in space.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。" B+ y1 e. K% p- g
It must be a painful joruney.
8 z' w. ^, Y/ h0 B" p: K3 e5.39.217.76Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
! H3 {# n, r: ?5 t: ^5.39.217.76I suggest you pack and pick other subject instead, if you really like Physics, tvb now,tvbnow,bttvb9 y/ { Z5 q& {) h$ Q( q
you need to switch school.公仔箱論壇. P8 v# _9 o' w" C- g
There is no 地心引力, but "gravitational" force only.
& Y2 L! A e9 i0 ^ @/ Q' ^% K# @5.39.217.76A simple meaning of Gravitational force = the force of attraction between any - m( S% b5 w5 ?8 U5 _$ O7 G
two masses.5.39.217.76' |) L' B2 Y! {- _% E- \
9 Y7 ?- {; q5 j+ }$ x) k2 S c, etvb 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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