seafireson2

如果北極有個洞真穿南極,
+ B" n  o) b+ o' S& x您跌入去,
4 _; c/ k6 S% {. o您會去到達南極~- v9 X; c/ \& w' d- V
但到達南極後會吸回北極~~~6 K3 f- c( R: L2 Z' z9 w
到北極後又會吸回南極................/ p1 C( K% n/ p
即係好像彈簧0甘~~~+ I$ e% h2 G" j; J
(假設地球質量是平衡分佈)
, N, Q8 g" O1 F. o9 u(answer 來自我的預科物理ar sir)* z; f* j% {$ k& a7 K" R
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事實上,地球質量是唔平衡分佈,
  z) ?2 O$ M) x% x& ]6 q" X/ vso 一次反彈的力量會比一次少,
* O/ |& `1 v* g6 ~then 一次反彈的距離會比一次少
, u2 [7 @& u; Q& p最後您會停在地心......4 h1 i! h# p. ~. @# n
$ K0 V/ i- u% m  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:% f8 L" K) Y! w1 L" k  |

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但假如我唔係 North Pole jump 落...

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....................==""+ |; q9 H$ }3 x' D* K% _
爬上去定爬落去係相對.............../ L& h; n0 e) n2 t+ Z- y
個方向係由您set......4 N! l& J0 g; r9 _* v% M6 d
您定義north pole 係上面,0甘咪爬落law...
0 p0 _* Y0 |3 k0 t- I% C您定義south pole 係上面,0甘咪爬上law...7 K  a/ {& k$ [8 H7 X% G) ]" N# Q
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however,點解唔simple d 呢........
+ F+ g7 ^9 a; Q2 b# l2 |/ G由地心去south pole,
2 Z0 L3 c' [( ^0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！

; F7 {, y' `: c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:
5 a/ V' @1 R# \" A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.

0 V8 r. H2 q( ?6 W( G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~~~~) j9 e/ |, @( v( @) {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~~~