I agree, I heard that astronaut cannot pee or shit while they are in space.tvb now,tvbnow,bttvb2 F1 j* Q4 l( B+ \; [) X
It must be a painful joruney.
( W& h% w- q1 j5 R# GOh BTW, if your lecturer talks about "地心引力" in your Physics class.
$ c3 R* y, n! D0 S/ v6 c, Xos.tvboxnow.comI suggest you pack and pick other subject instead, if you really like Physics, & Y$ W" |; ^. m _, r2 {
you need to switch school.
4 H! q# V4 F' Qos.tvboxnow.comThere is no 地心引力, but "gravitational" force only.
) p1 z1 v g( g$ _A simple meaning of Gravitational force = the force of attraction between any 1 b6 b( i! H. ?. ~& I) ]! b
two masses.os.tvboxnow.com4 K d/ r/ m! F0 p. t+ p
7 C. s- H7 C$ O; ?( X( F. o- C: l公仔箱論壇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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