Originally posted by seafireson2 at 2006-5-8 10:24 PM:
如果北極有個洞真穿南極, & @3 e6 l$ _$ W0 m9 l$ i) `7 B; Q9 D+ {
您跌入去,...
Originally posted by milk~~ at 2006-5-8 10:38 PM:
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對~~!! @0 ~- V8 `( E1 Y5 t
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:9 S+ o( }) q f4 l
, m+ C+ Q- j9 B
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
假設...
Originally posted by 機密 at 2006-5-9 12:10 AM:2 e2 t/ x0 E2 o5 E" e4 ^& V" e
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:# P/ O) c6 D6 _# T, n) K6 l
但假如我唔係 North Pole jump 落...
Originally posted by 機密 at 2006-5-9 12:10 AM:- w) u! ?3 {; \ x
+ v: P! Q1 S" y
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:4 s- Z: b1 {- f+ c" x; f
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咁我諗要睇你點define上同落2 I6 E! g& U/ f# j
...
Originally posted by spector.R at 2006-5-9 19:37:1 T0 w8 r' N' L0 h- t1 O
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:; D* ]. V3 q+ D0 F' ~/ n* ^
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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