seafireson2

如果北極有個洞真穿南極,
  n  O0 d5 z  j' T3 i+ Z: O您跌入去,6 S; k, R9 ]' O, R
您會去到達南極~
+ V) y4 f5 d( m1 S但到達南極後會吸回北極~~~1 Q0 O% C) ^8 O
到北極後又會吸回南極................
% C2 G" q+ Q9 C即係好像彈簧0甘~~~7 `# Y! y! I6 Y" G9 y
(假設地球質量是平衡分佈); }8 G/ n, |4 r6 E
(answer 來自我的預科物理ar sir)
; [' w1 d1 ^( A* z( t8 C6 D/ z  L! a/ `
) B( k" P) M8 N事實上,地球質量是唔平衡分佈," H+ i1 `4 K( l6 g# _/ Q/ d3 C/ c
so 一次反彈的力量會比一次少," p; E7 M' ]+ N+ V. q- F' B
then 一次反彈的距離會比一次少
, ]+ m$ j# L5 p" j; S6 C最後您會停在地心......# o- `  b) C5 Y2 V% k4 K+ E- w

& h9 T' C6 v/ A6 N5 M6 e  @4 h[ Last edited by seafireson2 on 2006-5-8 at 11:05 PM ]

seafireson2

Originally posted by gaye at 2006-5-8 11:35 PM:8 o( k' U5 q/ U1 f' S
/ X: M: z. s. [
& x) `( x/ K6 m; n7 P
但假如我唔係 North Pole jump 落...

+ n. g7 k8 X9 Q5 |2 H' g8 V4 J: \
....................==""( [0 \; Z0 K5 C- C5 t. K% [
爬上去定爬落去係相對...............# e1 k* s6 b9 m% n) w. k7 L
個方向係由您set......
- ~7 w& b9 l( j, t5 Y- C1 X/ M2 b您定義north pole 係上面,0甘咪爬落law..., n7 o: f2 }8 G8 I4 k+ a6 w
您定義south pole 係上面,0甘咪爬上law...0 i& Q$ y7 i5 W1 {* C  s; N4 o
1 ~& y3 x; |9 m5 k9 p, d0 J5 }
however,點解唔simple d 呢........( J; s. h( O2 ^* ?
由地心去south pole,/ g' Z# i4 J* Q7 Z, T+ Q3 \
0甘咪ok law..........

seafireson2

Originally posted by 機密 at 2006-5-9 12:10 AM:+ p$ D0 q) s- t: t% ~
' s) E9 O" o! B2 g, h, Z7 K' I
無乜可能，除了極熱之外，還要頂得住地心的高壓！ 未到對面你都變左屎餅啦！ 瓜！

. \; z3 `( f- S; n, `
都話明"假設"ar!!!!!!假設唔一定要正確ga.............

seafireson2

Originally posted by FishyR at 2006-5-9 05:09 PM:
4 X  J5 s) @5 P: u& l我結論係去唔到最中心, 而喺地心同地面之間停下來. 喺個點係無地心吸力, 因地面質量對我所做成o既萬有引力, 同地心質量對我所做成o既萬有引力喺對等.

; h9 `1 G% |. g4 r其實係去到地心,南北半球ge地心吸力先相等同抵消~so地心ga引力係0~~~~
; V4 M- C* A/ k6 A1 Z( z- h但您之前有加速,即您本身有speed~0甘您會直去,但去南半球時又受引力,會減speed,最後係南半球表面stop~~~