seafireson2

如果北極有個洞真穿南極,
9 ~# T, T8 X  s! x您跌入去,2 F/ r) L8 ^0 I
您會去到達南極~1 n0 }4 o0 M. T- U
但到達南極後會吸回北極~~~
9 }1 x) u  E7 }到北極後又會吸回南極................
3 F: i7 a1 `4 P1 C7 p) ~/ J2 K即係好像彈簧0甘~~~+ A% u* A6 A2 O& |# w% V
(假設地球質量是平衡分佈). u! f3 M/ ?: e6 M" j9 t
(answer 來自我的預科物理ar sir)
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  G5 ]5 ?; g4 t事實上,地球質量是唔平衡分佈,
" ^0 T; T! I9 f1 P0 Uso 一次反彈的力量會比一次少,
# w5 [! b! s5 N! C/ Othen 一次反彈的距離會比一次少
5 ~$ N. c3 h9 @. n; {最後您會停在地心......
7 }# w: i' n/ t' K; m  t. D/ y
( X9 ~" t7 ?4 ^. L* p[ 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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9 V% g9 D( Q; h) v0 @  i2 R
6 ^0 d. ~" w0 @但假如我唔係 North Pole jump 落...

1 U% U+ s* }% H....................==""
5 V' {' Y# d; Q! Z2 V' t) @+ n爬上去定爬落去係相對...............
) C( q: Z( ^7 O/ B+ M; ^9 _個方向係由您set......) F* A& n* c6 {' G
您定義north pole 係上面,0甘咪爬落law...
$ g% |  ~+ c/ {' V2 b您定義south pole 係上面,0甘咪爬上law...4 f) z$ Q8 |$ z8 ~" O! J  k
8 F. {/ k! S' d( [
however,點解唔simple d 呢........
3 V' {- p8 D) y- O由地心去south pole,4 [& D$ W4 d: o: P  I
0甘咪ok law..........

seafireson2

Originally posted by 機密 at 2006-5-9 12:10 AM:4 `3 O& a1 N% s  Q
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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！

8 y) g( ]$ f+ S1 ^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:
; x4 O8 U' f: x3 M7 o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.

" B8 i* c+ }" n' O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~~~~
0 J2 b# y- o" A# h* Q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~~~