seafireson2

如果北極有個洞真穿南極,
8 L  i9 O" m* ^. z' j1 Q您跌入去,: ~1 u2 `  A$ s% G! f. p/ d6 s# K8 _6 k
您會去到達南極~& G9 n5 @9 ^8 P8 x* c8 V! `- D
但到達南極後會吸回北極~~~
* r9 A* F# Y* z& E  l, g! {. t$ G到北極後又會吸回南極................9 P8 s  J2 p% H% m4 X
即係好像彈簧0甘~~~
7 r" v" }$ _( c" j3 l* ^. f(假設地球質量是平衡分佈)
0 u- a2 t% f# C7 x' ^, C' ]  ](answer 來自我的預科物理ar sir)9 N: J5 n5 v( u* n1 q5 D1 g& l

: M% {8 c3 d: u2 [) P6 W' D' d事實上,地球質量是唔平衡分佈,  G6 e( W( l- F; \% A
so 一次反彈的力量會比一次少,. z, Y; M/ M$ ~& g
then 一次反彈的距離會比一次少, s- B4 ?* U1 n/ i+ E4 r
最後您會停在地心......9 L4 K, o- X4 ?( n$ e

+ R) v+ K- g- Z" V0 {7 D$ S[ Last edited by seafireson2 on 2006-5-8 at 11:05 PM ]

seafireson2

Originally posted by gaye at 2006-5-8 11:35 PM:
5 G- x' G; E; I& [! A3 j4 A3 s1 u
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但假如我唔係 North Pole jump 落...

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....................=="") y2 }1 d  ]% T/ x6 E
爬上去定爬落去係相對...............6 }8 S3 n( l# J' G' S! y
個方向係由您set......! ^) V0 ^+ Y% m5 H1 _
您定義north pole 係上面,0甘咪爬落law...
# c/ G3 T6 w2 J" v. C4 R您定義south pole 係上面,0甘咪爬上law...! o5 C( m7 i; f+ B' O& c9 b

& z5 c% a( a4 V7 y$ ?8 Q5 Bhowever,點解唔simple d 呢........) L- ^9 h- I# G& @% i7 e( z+ J
由地心去south pole,
. \* K% o# i$ E$ H9 D$ n4 ?3 c7 E0甘咪ok law..........

seafireson2

Originally posted by 機密 at 2006-5-9 12:10 AM:9 Q" ]1 E! V; ]7 L

8 t. r. M! c8 f4 J6 H" ^; S  R( r8 S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！

# a- {1 a+ t8 x' 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:
" Z6 I% X  X" q' Z# 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~~~~
! J6 w( _! k) X. `( N. 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~~~