seafireson2

如果北極有個洞真穿南極, * l5 J5 W' u9 r# ?; y( l  R* c" u* }
您跌入去,
) p! W9 O0 X* {' `您會去到達南極~
! e& k0 u, y3 K  p但到達南極後會吸回北極~~~
7 G* E* c4 v# m  }  b: G; ?到北極後又會吸回南極................
1 w( w0 v$ R* ~  ~* ]即係好像彈簧0甘~~~
+ g" G* g1 {; }4 s" ~3 n(假設地球質量是平衡分佈)
4 ]* ^0 v0 u+ L7 L8 |5 @: E) E(answer 來自我的預科物理ar sir); l+ Z# V3 T4 a  |. e
1 \# I9 L1 }: t$ |1 B
事實上,地球質量是唔平衡分佈,- y" T0 X1 l8 m; O" C+ {, k2 J
so 一次反彈的力量會比一次少,  ^8 a! x( q' e; Z8 l! o
then 一次反彈的距離會比一次少$ M. |" W! L+ m- z4 M+ ]
最後您會停在地心......% T2 o  O/ f* v
8 E8 p2 u/ d$ S9 U( T
[ Last edited by seafireson2 on 2006-5-8 at 11:05 PM ]

seafireson2

Originally posted by gaye at 2006-5-8 11:35 PM:
( b# l6 d: \' T9 T# t( K, Z* q; _( n; e) ?  Y& O$ L
3 Z( B1 e: I7 L1 e3 _
但假如我唔係 North Pole jump 落...

' R/ I' o$ V; A  j....................==""4 ^$ ?4 k* E& }; c( Y, {
爬上去定爬落去係相對................ N% p' ^6 p. s
個方向係由您set......
' ~( ]( o8 T1 \3 E' m( f, `( M您定義north pole 係上面,0甘咪爬落law...
1 ?7 F9 j: ]$ l8 g7 y, m您定義south pole 係上面,0甘咪爬上law...
! ]+ A( X% s, F- _. @  \0 J. T2 Z4 N4 T7 C' K
however,點解唔simple d 呢........
% d( _  j/ n. C  E, y7 V9 C7 o. ]由地心去south pole," _2 X* D3 k9 y4 t* ]
0甘咪ok law..........

seafireson2

Originally posted by 機密 at 2006-5-9 12:10 AM:6 ~4 G: ?0 s& p

% d8 S' T- |" m0 ?4 ^9 Q# U2 F/ u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！

, e, t5 V4 e; {: N3 D4 g- I5 B: O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:
( r" \, R0 [# r2 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.

2 f( O5 N! j' T. T/ E0 m8 B
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~~~~! S. @7 p" n$ ^( W
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~~~