I agree, I heard that astronaut cannot pee or shit while they are in space.
( \, I! V* }. F公仔箱論壇It must be a painful joruney.
; T# X/ c4 U. w' v' ?& K/ A& hOh BTW, if your lecturer talks about "地心引力" in your Physics class.
& d7 R- h! K' P) H+ y6 ], @5.39.217.76I suggest you pack and pick other subject instead, if you really like Physics,
' g7 y! I, r3 D6 iyou need to switch school.
6 w; _2 B) N7 Z5 k5.39.217.76There is no 地心引力, but "gravitational" force only.
. X+ h$ `+ u% Q$ ~5 Otvb now,tvbnow,bttvbA simple meaning of Gravitational force = the force of attraction between any * }5 v' F2 p5 E6 ]
two masses.5.39.217.766 j$ s* P/ z2 ]7 e; Q, g$ `# m" v( c) w
$ u) m+ l8 U. dtvb 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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