seafireson2

如果北極有個洞真穿南極, " J! f6 Z/ @* _9 k- C8 H
您跌入去,4 p# o/ M( V( S) J' f  {% b8 x4 S+ y
您會去到達南極~
. }% R( t* A5 d  M. |0 {- G但到達南極後會吸回北極~~~! \, W# z' [% n# p1 A& d  Y* A8 X
到北極後又會吸回南極................
, |0 e) p+ b) n# y" Z即係好像彈簧0甘~~~
  W+ C3 G; j( t: \5 Q, q, n(假設地球質量是平衡分佈)
1 V1 H( |7 X3 a) B(answer 來自我的預科物理ar sir)% _% m4 J7 j# ]7 B9 G. z3 i
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事實上,地球質量是唔平衡分佈,
7 O2 l+ Y$ a$ W  Vso 一次反彈的力量會比一次少,
/ ]1 u4 L4 k9 S( Zthen 一次反彈的距離會比一次少
( C$ \% b' @$ }& [最後您會停在地心......
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# A& V# P; L' l- J[ Last edited by seafireson2 on 2006-5-8 at 11:05 PM ]

seafireson2

Originally posted by gaye at 2006-5-8 11:35 PM:8 s( L" Q, `( H5 x- Z

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3 R/ x- [% X$ y4 L! X/ `, x2 d7 C3 o1 I1 q但假如我唔係 North Pole jump 落...

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....................==""; p3 Z1 |, |3 Z1 H" h
爬上去定爬落去係相對...............+ Y" _% Z6 e6 u! I) ?: e: b
個方向係由您set......; a1 B) t1 U0 O: o# U# L2 k
您定義north pole 係上面,0甘咪爬落law...: j& R0 }3 }' M9 j1 F! K1 f
您定義south pole 係上面,0甘咪爬上law...% U2 J' m" g5 l- |$ |3 S! O

; T  \/ ]+ O& U7 G8 Y* thowever,點解唔simple d 呢......../ R; X: }# P! b6 h- t
由地心去south pole,
! l, _" Q! p( |( R9 |" q$ U# s0甘咪ok law..........

seafireson2

Originally posted by 機密 at 2006-5-9 12:10 AM:
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, @" z$ R5 H) \; M# @7 o$ w. 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！

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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:
1 b3 q3 H3 s& k- T- ?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.

) |6 |" q3 [8 f8 N6 Y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~~~~" S2 C7 i9 G* R8 o
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~~~