I agree, I heard that astronaut cannot pee or shit while they are in space.
9 C4 a; S- c1 t! J! F& WIt must be a painful joruney.
& x, q" P0 {- A公仔箱論壇Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
6 p; p q9 h5 B& fI suggest you pack and pick other subject instead, if you really like Physics, tvb now,tvbnow,bttvb6 q9 ]% J$ F% L+ n8 x0 w* s
you need to switch school.
* {% y, J1 p, B9 T1 N, mThere is no 地心引力, but "gravitational" force only.
4 b* \% i/ r( j/ z5.39.217.77:8898A simple meaning of Gravitational force = the force of attraction between any
8 k/ }, Z0 E. }/ |公仔箱論壇two masses.
1 o- u; G7 F0 E# m: ftvb now,tvbnow,bttvb5.39.217.77:88988 W4 b. G' N9 z: [9 z
Gosh, I got fooled by my HK Physics teacher many years ago. |