Originally posted by seafireson2 at 2006-5-8 10:24 PM:% u; p8 @5 ]) Q
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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對~~!
simple harmonic motion
Originally posted by fung at 2006-5-8 11:22 PM:& @4 N+ |1 w1 ?, `) g$ m5 G
仲要with damping
Originally posted by gaye at 2006-5-8 11:35 PM:2 O' B- v/ D3 o9 ?) 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:! h& T0 [& @# \- p. ?
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但假如我唔係 North Pole jump 落...
Originally posted by spector.R at 2006-5-8 20:51:7 N. I& F: D3 ]5 S
忽然有個奇想...你地有冇諗過4 d `2 p- m, `$ O) K( A/ C# t
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假設...
Originally posted by 機密 at 2006-5-9 12:10 AM:' B$ h: b2 p5 c" k
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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:$ {: I! s% l5 v7 E. [
但假如我唔係 North Pole jump 落...
Originally posted by 機密 at 2006-5-9 12:10 AM:# b8 B. Y# T8 `# 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:
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咁我諗要睇你點define上同落* t# @# `$ Y# P
...
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:# \( h" ]! k$ x: \8 e$ e4 T
我反而想知"下降"速度幾多?
Originally posted by FishyR at 2006-5-9 05:09 PM:% B1 d" ]7 j8 m+ a& X
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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