I agree, I heard that astronaut cannot pee or shit while they are in space./ r5 x1 c; }$ `$ `; s2 R
It must be a painful joruney.+ Q& z/ x) Y3 S4 F& L, g
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
8 F( o, d N d1 V( r; lwww2.tvboxnow.comI suggest you pack and pick other subject instead, if you really like Physics,
- O8 g) y. P- o! x' e4 A4 D! ytvb now,tvbnow,bttvbyou need to switch school.
+ ~- f" g- M( b% y2 {6 m& ?There is no 地心引力, but "gravitational" force only.www2.tvboxnow.com3 ~2 Z) }! o- X* E8 I- u
A simple meaning of Gravitational force = the force of attraction between any
+ i3 q. [5 w* e/ w4 M8 Dwww2.tvboxnow.comtwo masses.tvb now,tvbnow,bttvb d! p c7 H( m! E# f k
- m* w+ D. K" E2 o$ {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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