I agree, I heard that astronaut cannot pee or shit while they are in space.- N' @) h& {' i5 X7 T
It must be a painful joruney.7 L9 Z1 m/ O) @$ v0 H% [+ Q6 c
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.- [/ X4 [" f1 \
I suggest you pack and pick other subject instead, if you really like Physics,
" a! E; h$ X; d+ _4 G5.39.217.77:8898you need to switch school.tvb now,tvbnow,bttvb% J1 p9 T& }6 S! q U1 x
There is no 地心引力, but "gravitational" force only.5.39.217.77:88987 ] J. n2 L! y/ b* K8 T
A simple meaning of Gravitational force = the force of attraction between any
. }" g2 p& g; g5.39.217.77:8898two masses.公仔箱論壇: R) R" t& N/ D8 Y, Y/ w
& S! m% X5 `# w' D* Q$ qtvb 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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