seafireson2

如果北極有個洞真穿南極, , s" A! O& t# I7 h7 d: T% T
您跌入去,' L2 _1 \5 e; S/ L
您會去到達南極~
, l2 p7 a! D* H  o6 W- Q但到達南極後會吸回北極~~~8 U9 C$ v& {3 x1 P
到北極後又會吸回南極................
$ \2 D% U2 H% ]7 G; R% ]& L即係好像彈簧0甘~~~1 m1 I/ g0 G" \9 a) H
(假設地球質量是平衡分佈)
! {& |- W/ k$ l( b0 M7 C(answer 來自我的預科物理ar sir)* [$ X- r: z: l; Z7 ^

; P3 r/ ~' O! N3 {+ l1 a事實上,地球質量是唔平衡分佈,
/ n/ f8 }/ N" t4 s* @$ f/ @so 一次反彈的力量會比一次少,( @" z, I4 E* R* o& [5 ?: b7 W, z1 B
then 一次反彈的距離會比一次少8 w, l6 D/ @4 B& d
最後您會停在地心......0 }0 ~$ q. @# c' t& F  D) O
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[ Last edited by seafireson2 on 2006-5-8 at 11:05 PM ]

seafireson2

Originally posted by gaye at 2006-5-8 11:35 PM:
! F0 y4 d" ~' x+ Y& j2 \
0 ^& k. h$ @9 x: n! x
+ f: V- o' u% V1 U- _8 C% p但假如我唔係 North Pole jump 落...

+ L* v( T2 b$ u, Y1 W2 Q$ e....................==""- K! {& E4 z- [% ?1 A2 w
爬上去定爬落去係相對...............
( L6 A0 a7 f9 S0 F8 V' s個方向係由您set......
9 ~' |" {9 M0 F5 b, N- L( Z+ b, D: C您定義north pole 係上面,0甘咪爬落law...
& @3 P' H, I! Q您定義south pole 係上面,0甘咪爬上law...
+ `) s! Y! y; U" N0 \% j- e, [5 ]7 ?1 ^5 a  H0 h
however,點解唔simple d 呢........
, h5 M1 ?) Z1 v, J7 [由地心去south pole,
3 _$ z" @2 i6 J0甘咪ok law..........

seafireson2

Originally posted by 機密 at 2006-5-9 12:10 AM:
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2 X' J2 \2 ]4 _; t$ y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！

# M/ B4 {( u& O7 q6 s5 F# R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:, n9 f( h8 T8 Y( V! C4 I/ x+ V
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~~~~
! U7 G/ ~5 I6 k( n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~~~