I agree, I heard that astronaut cannot pee or shit while they are in space.www2.tvboxnow.com( g) |/ d [+ {) Y* t
It must be a painful joruney.
% q# p9 L! ]1 i' ]1 }- b" ]/ a公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
$ d3 }& t; d: j3 P; btvb now,tvbnow,bttvbI suggest you pack and pick other subject instead, if you really like Physics, 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。1 d+ T1 ?/ M- y0 |# ?
you need to switch school.) [6 W- v. D* p2 y6 A N8 [9 c
There is no 地心引力, but "gravitational" force only.
N4 `- j& h/ c1 l8 l9 Itvb now,tvbnow,bttvbA simple meaning of Gravitational force = the force of attraction between any 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。4 c# c3 ?7 }7 f y8 ~- A. u! N7 I! N* B& Q
two masses.公仔箱論壇8 i9 R# X; N n5 t) G; [; {
公仔箱論壇5 q$ R/ ]/ S0 A! t+ H5 F0 R& W
Gosh, I got fooled by my HK Physics teacher many years ago. |