I agree, I heard that astronaut cannot pee or shit while they are in space.公仔箱論壇- \( E) @9 Y9 l7 t+ e
It must be a painful joruney.
$ M. A c2 @% Y' k' C' mOh BTW, if your lecturer talks about "地心引力" in your Physics class.) v+ q1 T8 x2 t6 g6 L
I suggest you pack and pick other subject instead, if you really like Physics,
# ?7 S1 I# ^0 \! b X, d' h/ {you need to switch school.
2 V+ [( o: b! q% V3 I6 W7 h3 s: {. H5.39.217.76There is no 地心引力, but "gravitational" force only.
+ J \7 Y3 D: P' F' r etvb now,tvbnow,bttvbA simple meaning of Gravitational force = the force of attraction between any
; L9 ^9 X6 [+ S9 l& b; |: N; f2 O5.39.217.76two masses.- |1 z2 p" e- F7 g4 v% n6 v% A. K
tvb now,tvbnow,bttvb7 g1 ^" W$ E, Q k! b: G7 C6 [
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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