
Originally posted by seafireson2 at 2006-5-8 10:24 PM:
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:
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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:% r3 U. a( L: [
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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:' C! C& }, D- a; Y8 g' C
忽然有個奇想...你地有冇諗過2 r: V ~+ i8 B' I1 ?
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假設...
Originally posted by 機密 at 2006-5-9 12:10 AM:# H; M- t7 V4 |5 i6 e# j5 I f
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:
5 A' V% }* k, |5 K/ D
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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:
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:3 d2 W, z5 U; a3 r( L j0 S
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咁我諗要睇你點define上同落
...
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:. Z! s1 g, H# f- X$ l, _
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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