seafireson2

如果北極有個洞真穿南極, ( ^$ x' d5 O9 w* G# L/ B3 t
您跌入去,! Q2 s8 o# f6 I+ R
您會去到達南極~
5 R. |( l9 u6 ~' R) A但到達南極後會吸回北極~~~% w( k5 s; A9 }& V0 r, {
到北極後又會吸回南極................
, v: o; t& K4 X即係好像彈簧0甘~~~' a5 H$ d# s# E4 S# X3 x
(假設地球質量是平衡分佈)
- \% Z/ L: H, e(answer 來自我的預科物理ar sir)
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9 y! J; q) ?% I* j+ m& D( r; x事實上,地球質量是唔平衡分佈,( S+ ~$ j# a: Z  L
so 一次反彈的力量會比一次少,8 X! W% n  x7 S6 B
then 一次反彈的距離會比一次少
: Z9 \( h) t- c& B+ u( X; L最後您會停在地心......% g2 k5 t1 E# x' p/ r& H' ^8 ]

" ^/ {# ^: u% U8 k4 K8 s: L[ Last edited by seafireson2 on 2006-5-8 at 11:05 PM ]

seafireson2

Originally posted by gaye at 2006-5-8 11:35 PM:( J2 W9 S7 x0 _$ t3 ?/ V& f

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* q0 @8 F9 l3 j7 L+ x, j但假如我唔係 North Pole jump 落...

; j: |! N# ^- ~/ P0 N....................==""
) s7 j- G5 D: v+ C爬上去定爬落去係相對...............' W" {% f' Z3 p6 O, ^' a
個方向係由您set......& l9 Y2 j  c' a2 d0 |; P
您定義north pole 係上面,0甘咪爬落law...: d# P  T9 C" x7 s! T
您定義south pole 係上面,0甘咪爬上law...- g* }. f, z' l1 t% o9 H' e. I* e
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however,點解唔simple d 呢........, v4 |! i$ ^* P8 T, B8 C
由地心去south pole,
& f! v3 b* p7 J1 P* s0 d& ^, u3 f0甘咪ok law..........

seafireson2

Originally posted by 機密 at 2006-5-9 12:10 AM:
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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！

3 e8 z! F, [1 h. `# g8 B& s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:& \2 W2 m; f& ?* s
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.

5 \$ B9 U. n% K* t9 D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~~~~
) n! p8 N6 N4 ~% A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~~~