
Originally posted by seafireson2 at 2006-5-8 10:24 PM:" m6 {2 H3 h$ F+ Q$ i# G0 G
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:
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simple harmonic motion
Originally posted by fung at 2006-5-8 11:22 PM:" n ^2 F7 [; a* l
仲要with damping
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 gaye at 2006-5-8 11:35 PM:( Q; A% E5 r5 p$ \
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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:/ [; w" I: _" ~2 V, n' g
忽然有個奇想...你地有冇諗過
假設...
Originally posted by 機密 at 2006-5-9 12:10 AM:
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:8 E8 w- z4 a6 p; J/ I8 Y' F0 R
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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:
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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 seafireson2 at 2006-5-9 00:15:
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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:
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咁我諗要睇你點define上同落+ x& p: L) u1 O$ g; S& Z- L( s' @% v
...
Originally posted by spector.R at 2006-5-9 19:37:/ N! a" t& l6 |$ R2 ]9 l4 n" A4 l
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:. M3 v7 a& S) I0 S( `5 y8 r
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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