I agree, I heard that astronaut cannot pee or shit while they are in space.
/ B4 } s3 ]" C, J5.39.217.77It must be a painful joruney.
( L, Q: S2 h! z6 M) `0 K3 U4 C3 p, C5.39.217.77Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
O8 y+ h- |2 _9 \( B! E" HI suggest you pack and pick other subject instead, if you really like Physics,
- s, S& a' ^' t3 q5.39.217.77you need to switch school.
" O" q4 d% H% k2 P# _# X |. b, K公仔箱論壇There is no 地心引力, but "gravitational" force only.3 R4 y% h9 u7 I: \, k: `/ v
A simple meaning of Gravitational force = the force of attraction between any
' K3 \9 N" R6 n5.39.217.77two masses.
7 ?+ {( a$ F0 a1 c3 X5.39.217.770 u& h6 |/ @% K& l" W1 Y u
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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