I agree, I heard that astronaut cannot pee or shit while they are in space.公仔箱論壇: k6 X9 ?9 N" P/ B& L
It must be a painful joruney.公仔箱論壇, D. _, b: U0 @
Oh BTW, if your lecturer talks about "地心引力" in your Physics class., z9 R. M* t9 v/ Q0 ?+ U6 q
I suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇$ {, |) Z- V; [
you need to switch school.1 ]$ G" |& o+ v
There is no 地心引力, but "gravitational" force only.tvb now,tvbnow,bttvb4 \, n& y# d+ `+ V% D' W
A simple meaning of Gravitational force = the force of attraction between any
# Y i$ k. w; h9 n- f5.39.217.76two masses.
: ^( U8 W# s" a' w" x! B5.39.217.76
- I- {0 M: g* d" v6 @" ~0 j5.39.217.76Gosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
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