I agree, I heard that astronaut cannot pee or shit while they are in space.
+ J+ J, E) u* JIt must be a painful joruney.
. e4 n. ^0 a0 ]" J1 ]公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.www2.tvboxnow.com0 ~7 E9 u: w8 E1 |" G7 S5 v0 X- U
I suggest you pack and pick other subject instead, if you really like Physics, 6 F; M1 k1 W. y$ F# l' j9 |
you need to switch school.8 H+ \- ^4 _0 n* m, \. ]* h
There is no 地心引力, but "gravitational" force only.公仔箱論壇, m9 ^; J+ _3 H8 l" O
A simple meaning of Gravitational force = the force of attraction between any www2.tvboxnow.com! V9 S, u! M. w: Q" H
two masses.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。! f* M8 A0 s# g' T3 `; U( n- i
1 X; u3 C" m7 C' Htvb now,tvbnow,bttvbGosh, I got fooled by my HK Physics teacher many years ago. |