I agree, I heard that astronaut cannot pee or shit while they are in space.
7 f' T; M3 Z' j, {7 [: D公仔箱論壇It must be a painful joruney.
% n1 m5 ]8 |7 f. W, n5.39.217.77Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
: I1 |$ C0 [1 o; q. l3 v- q5.39.217.77I suggest you pack and pick other subject instead, if you really like Physics,
; t* U, z3 c) Z5 `3 I) ?you need to switch school.5 z& Q5 o( Y0 h- x, A
There is no 地心引力, but "gravitational" force only.
% \6 W: J1 G5 tA simple meaning of Gravitational force = the force of attraction between any
% ~& _. s* ?8 y; y- ktwo masses.& @* r* G. V& y, F
0 {- S" L7 |& }: z7 D( o9 ZGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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