I agree, I heard that astronaut cannot pee or shit while they are in space.
1 p* v: a( g% }/ p* YIt must be a painful joruney.
' x* _. Y$ p) u0 h5 Y9 x8 I0 O' D$ EOh BTW, if your lecturer talks about "地心引力" in your Physics class.
7 \# V* E* o1 n3 \$ ^8 ]6 u' Lwww1.tvboxnow.comI suggest you pack and pick other subject instead, if you really like Physics, tvb now,tvbnow,bttvb0 P; [7 _- V# g5 U, d: G' {; R6 ?
you need to switch school.9 Z" }: d/ c3 }' k1 s4 r
There is no 地心引力, but "gravitational" force only.
: @5 t( H+ R' z$ W& r/ f6 O& U2 |" TA simple meaning of Gravitational force = the force of attraction between any 7 T6 H. L) P0 y1 u: _
two masses.
! J( H# s5 R$ }* [: I* kwww1.tvboxnow.com. g4 {$ v1 J2 F# e6 {1 A; O
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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