I agree, I heard that astronaut cannot pee or shit while they are in space.tvb now,tvbnow,bttvb! j0 d) H+ u- l) C' t+ g
It must be a painful joruney.
- \: v! ]" z1 |3 K& X" MOh BTW, if your lecturer talks about "地心引力" in your Physics class.; o# J3 I3 \" j% e: a( d
I suggest you pack and pick other subject instead, if you really like Physics, tvb now,tvbnow,bttvb/ `1 M+ P8 z {1 H4 @/ u* r
you need to switch school.tvb now,tvbnow,bttvb0 y8 z: p) z; h
There is no 地心引力, but "gravitational" force only.
/ q7 e) V1 N# E( Ttvb now,tvbnow,bttvbA simple meaning of Gravitational force = the force of attraction between any
2 z# o! l" f! ?. xtwo masses.公仔箱論壇$ U6 E) y3 T7 w& g' y! `
, S/ ?. `% n' Xtvb 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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