I agree, I heard that astronaut cannot pee or shit while they are in space.tvb now,tvbnow,bttvb% i, k0 J; @. d$ o- C1 c
It must be a painful joruney.www1.tvboxnow.com: z$ ~8 g+ _/ x: m1 J, V/ J
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
) V* X- N3 |7 {9 p+ s公仔箱論壇I suggest you pack and pick other subject instead, if you really like Physics,
) X/ {4 V7 \4 q( Z7 \you need to switch school.
0 O- [' A5 o/ E) w/ z3 Ltvb now,tvbnow,bttvbThere is no 地心引力, but "gravitational" force only.
4 |1 U, |) Z" T8 \tvb now,tvbnow,bttvbA simple meaning of Gravitational force = the force of attraction between any
) H% Z+ d9 f& q; Y+ c& q' Dwww1.tvboxnow.comtwo masses.
K7 y E# B0 z$ t1 t, [* Ctvb now,tvbnow,bttvb0 |7 U2 |7 T/ j1 r9 _
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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