seafireson2

如果北極有個洞真穿南極,
% T8 \9 M3 x1 ~, }$ K! @您跌入去,
+ z! k. Y) G3 R) h您會去到達南極~
+ ^' w4 [. _; L6 k  d  R, ^* \但到達南極後會吸回北極~~~% \4 ?9 [. t. l% v
到北極後又會吸回南極................! Y6 X) W9 P# ?6 [4 n
即係好像彈簧0甘~~~' [' r% n; n9 Q9 k$ U: f+ ^
(假設地球質量是平衡分佈)+ f2 Y+ f9 M9 l5 H8 G; g5 v# W
(answer 來自我的預科物理ar sir)1 U' n3 S  W9 g& i) H" ]
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事實上,地球質量是唔平衡分佈,( A4 w# K7 }3 X) z3 t. E
so 一次反彈的力量會比一次少,
* q1 l6 ?: d, z. Tthen 一次反彈的距離會比一次少
" d  }; A2 N2 ?1 R+ }& b1 u最後您會停在地心....... c+ H5 Y6 K; d7 E/ h5 v; K
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[ Last edited by seafireson2 on 2006-5-8 at 11:05 PM ]

seafireson2

Originally posted by gaye at 2006-5-8 11:35 PM:
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# \: M9 m; {) {4 o3 S/ M, O但假如我唔係 North Pole jump 落...

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....................==""
  Z) r+ {# Y* A" h. Q0 ]5 U爬上去定爬落去係相對...............
0 e1 g" n  F0 d* ~$ M( q* V) |' U2 q. t個方向係由您set......
, u# E: w" x5 q( ?; H$ m% V您定義north pole 係上面,0甘咪爬落law...% K; b# f, b, e$ E) @* b. K
您定義south pole 係上面,0甘咪爬上law...6 [& J, F6 }3 C4 ]
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however,點解唔simple d 呢........& p+ @7 H% D# C
由地心去south pole,0 K2 G( C: u/ m3 q0 X
0甘咪ok law..........

seafireson2

Originally posted by 機密 at 2006-5-9 12:10 AM:) `3 M9 ?) X* m- M

9 A& J% f+ {0 R; K! o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！

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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:
+ i  I  @9 x, X8 ^) @: k& ^# z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.

9 Q9 F4 x3 b8 g! _- M% Z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~~~~
& x4 `# L. f$ O4 ^( Z4 ?5 [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~~~