
Originally posted by seafireson2 at 2006-5-8 10:24 PM:/ S2 Y6 M( ]. z" O& h @" T/ h5 a
如果北極有個洞真穿南極,
您跌入去,...
Originally posted by milk~~ at 2006-5-8 10:38 PM:! U4 V- I) Q! g3 X2 i/ v. n' ?8 o) I
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simple harmonic motion
Originally posted by fung at 2006-5-8 11:22 PM:
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仲要with damping
Originally posted by gaye at 2006-5-8 11:35 PM:5 f: X* e1 H, K' G5 y" W2 _
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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:
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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:: e0 T& w3 \! ~" N# D
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:, N% w# j+ W5 ^$ Z0 H% L3 Z( A
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:. c+ ?+ E# X, F. r6 v! F/ F
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但假如我唔係 North Pole jump 落...
Originally posted by 機密 at 2006-5-9 12:10 AM:! B# p* i4 I+ g7 A, _) d1 ?5 U' {
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:0 Z! b0 B* K* k6 T5 T0 z+ ?
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咁我諗要睇你點define上同落# {2 @ y% B7 R. s* Q" `
...
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:: o' |8 k" V/ A- ?3 m; i; T
我反而想知"下降"速度幾多?![]()
Originally posted by FishyR at 2006-5-9 05:09 PM:
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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