Originally posted by seafireson2 at 2006-5-8 10:24 PM:
如果北極有個洞真穿南極, 3 {8 _3 E& W Q3 B
您跌入去,...
Originally posted by milk~~ at 2006-5-8 10:38 PM:& R9 z: q( w/ ^* c D
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對~~!
simple harmonic motion
Originally posted by fung at 2006-5-8 11:22 PM:
仲要with damping
Originally posted by gaye at 2006-5-8 11:35 PM:" l" _( k. j* O2 z5 y( n- I8 @% I2 F
但假如我唔係 North Pole jump 落...
Originally posted by gaye at 2006-5-8 11:35 PM:3 y+ `% ~- E# a! k( q6 P% |5 w
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& L- m% d0 n# @5 }& ~
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假設...
Originally posted by 機密 at 2006-5-9 12:10 AM: |- {& [$ m. F9 H* z
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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:; o% ]6 G) ?* A8 S. b& E5 `
0 L0 J( w3 \( @
但假如我唔係 North Pole jump 落...
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 seafireson2 at 2006-5-9 00:15:5 m; T1 B8 @! g+ \7 v- y7 V
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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:( M s5 ]3 \0 f4 R
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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:; n& m$ {+ ~% m- ~' E: H$ a
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:
我反而想知"下降"速度幾多?![]()
Originally posted by FishyR at 2006-5-9 05:09 PM:% P! l9 C+ V: W O, z
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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