I agree, I heard that astronaut cannot pee or shit while they are in space.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。- _9 A- B/ D3 N& l( ~
It must be a painful joruney.
# r t. P- j. r! x. U) p% S: I/ Wtvb now,tvbnow,bttvbOh BTW, if your lecturer talks about "地心引力" in your Physics class.+ V0 I! D% Y# w6 }- l" \( t
I suggest you pack and pick other subject instead, if you really like Physics,
: E8 C [5 ]6 u: k! ^8 t公仔箱論壇you need to switch school.
. x/ p1 M7 q3 p5.39.217.76There is no 地心引力, but "gravitational" force only." Z- A3 ?1 f C: F6 M# Y: t' L
A simple meaning of Gravitational force = the force of attraction between any tvb now,tvbnow,bttvb- y& y- Q; J4 d" L
two masses.
( z( ^5 Y" G) I: C$ D: B4 L& ~tvb now,tvbnow,bttvb公仔箱論壇0 Q: N% X. b8 ~, x
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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