I agree, I heard that astronaut cannot pee or shit while they are in space.( h5 Y2 @9 ~) o7 X# _
It must be a painful joruney.9 |/ x% x! T* g$ d1 ]
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.tvb now,tvbnow,bttvb; s& j/ f# g5 z1 c2 p2 y
I suggest you pack and pick other subject instead, if you really like Physics,
9 ^% v. _3 Q: y; }6 |www1.tvboxnow.comyou need to switch school.公仔箱論壇, e6 @" Z) Y( U" ~6 a- V- y
There is no 地心引力, but "gravitational" force only.* ]6 W) R% \, `) @8 C; D
A simple meaning of Gravitational force = the force of attraction between any www1.tvboxnow.com K3 |' N& H/ x4 K2 [( ?3 A- ]
two masses.
7 e' r, m) L& Vwww1.tvboxnow.comwww1.tvboxnow.com# E, L, s6 ?4 G- N7 [$ Y' {
Gosh, I got fooled by my HK Physics teacher many years ago. |
發表於 2007-4-25 12:23 AM
| 
