I agree, I heard that astronaut cannot pee or shit while they are in space.tvb now,tvbnow,bttvb8 x# P$ Y3 }: y/ \4 X
It must be a painful joruney.* l2 b3 W* E% W% R) z' X
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.www2.tvboxnow.com4 P7 Z. y! \& ^) d& U0 n. O
I suggest you pack and pick other subject instead, if you really like Physics, www2.tvboxnow.com- O7 k; _( Y% t3 w
you need to switch school.
/ [6 Y4 [( H$ X c) b+ f* W$ BThere is no 地心引力, but "gravitational" force only.
9 G" T3 R6 e$ d, d4 EA simple meaning of Gravitational force = the force of attraction between any
# x4 o0 D- J( d0 C公仔箱論壇two masses.
% S- \9 r5 O# H+ D7 D: _( N公仔箱論壇公仔箱論壇4 Y. ~4 B) M' ~
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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