seafireson2

如果北極有個洞真穿南極, 7 t. P/ G2 D) s0 Z9 n' W  i8 Y
您跌入去,8 f2 o! q+ s0 r
您會去到達南極~+ A2 A" {* b# i! j
但到達南極後會吸回北極~~~! C+ H% W4 [+ a+ O( O7 |( o1 F
到北極後又會吸回南極................
# h. z: Q9 `! D3 U' V: ?& s5 j. p即係好像彈簧0甘~~~$ E$ Q0 q& N5 E. e
(假設地球質量是平衡分佈)% G) ?" \: d$ d% ~
(answer 來自我的預科物理ar sir)$ h& k4 F: q. Y3 K" t

) }( c9 R* }* [  K# ~$ Q; |事實上,地球質量是唔平衡分佈,& B" ?8 m" G% A9 {1 T
so 一次反彈的力量會比一次少,( \: K+ v3 Z0 p  o. d! P( o
then 一次反彈的距離會比一次少
1 ^6 V% C, \  a6 N  ~最後您會停在地心......8 x$ w  ^2 [4 [5 g5 k8 \

: S; A( L; H* S4 b1 V[ 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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8 E# i/ U5 {' w. D7 ^8 z( W6 t, N3 ]
但假如我唔係 North Pole jump 落...

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....................==""
1 a# H7 c* q  I% g  W$ [) y1 z5 f7 h爬上去定爬落去係相對...............
. g& {% @8 ^) ]2 ~個方向係由您set......* }7 Q) w( H( h4 k  @6 k5 W
您定義north pole 係上面,0甘咪爬落law...* l; I: |  d1 `$ e3 q$ `6 B
您定義south pole 係上面,0甘咪爬上law...
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- _7 A/ \; B& C, Dhowever,點解唔simple d 呢........1 Y- k/ ?: w3 i! _; W
由地心去south pole,& m4 r9 k2 a7 A, t6 U$ z0 G
0甘咪ok law..........

seafireson2

Originally posted by 機密 at 2006-5-9 12:10 AM:* L& K5 M! y/ k' R! H0 V

. j( }' m% B' l+ h& e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！

' ]  g$ O) K1 v& i; s$ z) H3 Q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:
0 ], v4 M# l- V, Z7 Y0 S9 N7 f$ p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.

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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~~~~
+ B9 A* S. n5 i' Q* X. T8 Y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~~~