
Originally posted by seafireson2 at 2006-5-8 10:24 PM:
如果北極有個洞真穿南極, & P2 n' ~$ Y9 T2 r$ \1 m# d
您跌入去,...
Originally posted by milk~~ at 2006-5-8 10:38 PM:
對~~!
simple harmonic motion
Originally posted by fung at 2006-5-8 11:22 PM:- {; e9 U6 x1 e- k
仲要with damping
Originally posted by gaye at 2006-5-8 11:35 PM:% Z) {2 C3 l0 K; _
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但假如我唔係 North Pole jump 落...
Originally posted by gaye at 2006-5-8 11:35 PM:4 } ^# ~* U. x8 F6 d) ]" z$ R
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但假如我唔係 North Pole jump 落...
Originally posted by spector.R at 2006-5-8 20:51:/ a' g% {- [) o* \+ H# a
忽然有個奇想...你地有冇諗過
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假設...
Originally posted by 機密 at 2006-5-9 12:10 AM:
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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!![]()
Originally posted by gaye at 2006-5-8 11:35 PM:
但假如我唔係 North Pole jump 落...
Originally posted by 機密 at 2006-5-9 12:10 AM:. w l: c3 d# T% N; c7 s# e' L k; j6 J5 t
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!![]()
Originally posted by seafireson2 at 2006-5-9 00:15:
都話明"假設"ar!!!!!!假設唔一定要正確ga.............
Originally posted by fung at 2006-5-9 12:03 AM: l3 ?0 g: t$ ~
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咁我諗要睇你點define上同落0 Y- A7 L) I" V* \: ^* j: `
...
Originally posted by spector.R at 2006-5-9 19:37:
我諗要達成呢個創舉仲難過派人上火星....

Originally posted by 奇 at 2006-5-9 09:22 PM:8 l5 i Y6 s4 c" f4 v
我反而想知"下降"速度幾多?![]()
Originally posted by FishyR at 2006-5-9 05:09 PM:( P' X+ ? r+ y# [7 I9 U
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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