
Originally posted by seafireson2 at 2006-5-8 10:24 PM:1 D3 E5 `, U& c: d: L
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:. _. e, Q* `+ l7 \4 ]; T, z: Z
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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:
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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:
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:: Y' T& Z5 x- e7 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:" a& g& V1 L- ]4 M, I* _3 z
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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:$ @3 {! |( X' Z
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:. ^8 d1 F4 A4 _
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咁我諗要睇你點define上同落: X- I! y y5 I% |# z" {4 n
...
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:+ [: w9 r# `; }3 Z5 w
我反而想知"下降"速度幾多?![]()
Originally posted by FishyR at 2006-5-9 05:09 PM:6 c* J- P) t( X! e3 M3 o
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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