I agree, I heard that astronaut cannot pee or shit while they are in space.5.39.217.770 ^/ p+ A7 x1 T9 r2 _
It must be a painful joruney.公仔箱論壇, P8 A4 q4 S/ ?4 \; s
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
8 O+ R+ t) w/ [6 g! p3 Otvb now,tvbnow,bttvbI suggest you pack and pick other subject instead, if you really like Physics,
& ^. f6 `8 _. K, F, Q( Pyou need to switch school.5.39.217.77- b$ r' `3 N- a, v9 @ s
There is no 地心引力, but "gravitational" force only.# x ^* K: ?( C4 Z
A simple meaning of Gravitational force = the force of attraction between any
- @7 A: p+ T- z/ y) vtwo masses.5.39.217.77/ @: G$ J8 ] V
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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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