I agree, I heard that astronaut cannot pee or shit while they are in space.9 C& h N, \" P, ?, ?( i8 H
It must be a painful joruney.
' S5 }) c8 P1 }) v, Ctvb now,tvbnow,bttvbOh BTW, if your lecturer talks about "地心引力" in your Physics class./ p( e! o1 W1 ?
I suggest you pack and pick other subject instead, if you really like Physics, 4 T% I8 S) ]* \$ b" C6 N4 n
you need to switch school.
5 e4 r1 Q4 i+ u5 W% fThere is no 地心引力, but "gravitational" force only.
3 q3 @8 R: b! S# U# _www1.tvboxnow.comA simple meaning of Gravitational force = the force of attraction between any tvb now,tvbnow,bttvb7 H$ b6 p; a' U& y6 m+ {! T6 X
two masses.www1.tvboxnow.com2 x( J E) [% W L* H9 W* H9 W1 C* \
0 {6 T( Q0 r1 h; h4 B/ atvb now,tvbnow,bttvbGosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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