I agree, I heard that astronaut cannot pee or shit while they are in space.
! H* `- X: `/ u# D& hIt must be a painful joruney.
: m3 @: n& b0 A' t. q- I: Y* w公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
) V3 s" c- f1 p- R7 ]& q8 `8 @I suggest you pack and pick other subject instead, if you really like Physics,
0 k) ]$ K! t' N0 v( a: g3 n3 dyou need to switch school.
9 G7 v9 @% W9 R( P4 utvb now,tvbnow,bttvbThere is no 地心引力, but "gravitational" force only." {: p' s2 a# @+ w8 U
A simple meaning of Gravitational force = the force of attraction between any tvb now,tvbnow,bttvb% e {4 ~( b8 |; o' w7 x; D
two masses.tvb now,tvbnow,bttvb5 ]; K6 f' R. g+ V0 X, ~
www1.tvboxnow.com" D3 q0 C+ r- a; X
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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