I agree, I heard that astronaut cannot pee or shit while they are in space.
& v b2 V# e. g% w+ @1 L1 a' K( n4 m) L公仔箱論壇It must be a painful joruney.
9 e9 A' K/ a4 P/ Q" o2 ]2 STVBNOW 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。Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
1 P. O% f2 S. D7 iI suggest you pack and pick other subject instead, if you really like Physics, ( p1 f0 J9 M) i' Y
you need to switch school.tvb now,tvbnow,bttvb1 T: s- x# W% E% H, `* `3 l2 R) w
There is no 地心引力, but "gravitational" force only.www3.tvboxnow.com6 H5 R* q" W6 q- S' H4 ]- y
A simple meaning of Gravitational force = the force of attraction between any , K' n! }7 x' Q1 X
two masses.' R& P" m; g' _- K# j
2 ]! [2 q/ U `2 q- 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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