
Originally posted by seafireson2 at 2006-5-8 10:24 PM:
如果北極有個洞真穿南極, . u+ u; J6 e. T f: u9 i+ B, ^
您跌入去,...
Originally posted by milk~~ at 2006-5-8 10:38 PM:* Q' T- w$ Z: o, H
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對~~!7 o) |+ H% {! K
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:8 F+ [; I/ M; D2 P
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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:' c* X- P6 Y! ?5 f
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: c: @1 Y2 \) A l7 r3 [
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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:- F$ W: K1 L( i+ R0 S7 z4 W1 E
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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:
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:' t( ?; d- m& O
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:; G/ L* R9 U$ C- C# t- p
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咁我諗要睇你點define上同落1 G0 |1 Z. \5 u v. b7 P5 U# O; W
...
Originally posted by spector.R at 2006-5-9 19:37:5 X+ M7 v2 C5 Q) ^+ B
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:
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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