I agree, I heard that astronaut cannot pee or shit while they are in space.
' f2 P( O3 P) _# D' d" m. d9 @8 h8 m8 twww3.tvboxnow.comIt must be a painful joruney.! P* N4 o' W: J
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.tvb now,tvbnow,bttvb4 t, ~0 C- D _3 q
I suggest you pack and pick other subject instead, if you really like Physics,
6 h! ~' T$ `9 N; R% r! ?you need to switch school., l) {" l4 c2 i. j+ u: _! |- k4 A
There is no 地心引力, but "gravitational" force only. e1 }6 R$ S9 P$ y) W- ?
A simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇: x# P- a, i2 o0 a
two masses.tvb now,tvbnow,bttvb& j$ e& P9 L1 B( T
6 X4 i: T8 f7 D2 b6 {6 X2 nGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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