gaye

Originally posted by fung at 2006-5-8 11:22 PM:  S2 }& n6 B4 R# j6 t# m6 `" K
/ @( f6 {! \  v6 l$ f- P) C
5 s; b- \( d/ e
仲要with damping

) R6 m% k) m, J" q( L
+ G# T4 N) C! _+ u) [1 j
但假如我唔係 North Pole jump 落去 , 係慢慢爬落去 , 咁到達地心時 , 再向 South Pole 出發個時, 係爬上去定爬落去 ? 5 _4 q) k  `* Q+ A6 f8 l& l
+ D$ l% }* S; Z) h; q2 t
[ Last edited by gaye on 2006-5-8 at 11:36 PM ]

gaye

Originally posted by fung at 2006-5-9 12:03 AM:
7 o0 p7 h: H5 ?9 H6 o! y: ?7 F; ]3 ^1 N0 P, w) O9 F3 C
; t9 z+ C9 v4 k5 s
/ V, B+ A% |7 D0 n! y9 |! o4 ~! W, I
, k3 T$ w' h2 X2 |/ l  c. q+ o. |
咁我諗要睇你點define上同落
9 S  f' |0 D( _. b...

6 V5 K' ]2 ]* j8 }' i' ?! `" ^- B
6 z& x: C' M1 K% B8 l
沒錯 , 上同下係睇點 define , 冇 absolute , 但人在北極向地心出發(向下挖) , 人的感覺必定是向下前進吧 , 但人到了地心 , 再向南極出發的時候 , 人的感覺會是向上 or 向下前進 ? (假設個人冇掉轉到身)