seafireson2

如果北極有個洞真穿南極,
! k& t/ z* v# s- l) V您跌入去,
7 M1 x' W' G  y( ]3 G. T您會去到達南極~
+ t5 w8 L$ E$ Z( A但到達南極後會吸回北極~~~
' f& f# R7 v5 f1 u8 [8 {到北極後又會吸回南極................' p7 w$ r+ t. G$ E5 j4 ]; n; n
即係好像彈簧0甘~~~
, n, T! Y* r  ^' Y0 H- h! @0 N1 V/ Q# J(假設地球質量是平衡分佈)
% `/ t% V) r8 ^+ N(answer 來自我的預科物理ar sir)
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6 m4 \& R4 S# F; r* e$ ^事實上,地球質量是唔平衡分佈,3 B% P  Y4 g* ^2 W  ~" b
so 一次反彈的力量會比一次少,
: c. q2 S% q# \$ }8 {* _then 一次反彈的距離會比一次少0 J- l" C" G- m2 R0 K
最後您會停在地心......$ A2 I) t9 J# l# m: S* x3 C) L9 k4 [

% V' o/ H+ w" p$ @  r$ e[ 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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但假如我唔係 North Pole jump 落...

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....................==""
' K5 X$ K* X  E! ?爬上去定爬落去係相對...............1 o" j& g7 W! }- ]. z  J
個方向係由您set......
+ h; n- u, {! I您定義north pole 係上面,0甘咪爬落law...
9 k+ d# {! g4 n; E+ z您定義south pole 係上面,0甘咪爬上law...
$ h& M- ]; ~! i" v6 d
3 ?5 V: [+ ]$ [( }however,點解唔simple d 呢........
/ Y- P& y' r$ B, t" j" Y% {由地心去south pole,
* W* |$ ^5 r' p6 E, H0甘咪ok law..........

seafireson2

Originally posted by 機密 at 2006-5-9 12:10 AM:
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$ K6 a' z/ s- y- V  @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:2 H1 z, V/ `0 c. s% G
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.

' G. i& D, j5 H6 @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~~~~! Q. F5 J" q; O) c& L! p/ t
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~~~