Originally posted by seafireson2 at 2006-5-8 10:24 PM:
如果北極有個洞真穿南極, " p& F% J' A) E, W" U8 I
您跌入去,...
Originally posted by milk~~ at 2006-5-8 10:38 PM:6 {2 G F3 W4 R; r" \; E( ?! e6 Q# n
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simple harmonic motion
Originally posted by fung at 2006-5-8 11:22 PM:* k/ W# e% P. v% L, f( a
仲要with damping
Originally posted by gaye at 2006-5-8 11:35 PM:
但假如我唔係 North Pole jump 落...
Originally posted by gaye at 2006-5-8 11:35 PM:) X0 x5 X: d, u& o+ z K9 u
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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:" _6 C7 X; w( j4 U G& G+ ~: x
忽然有個奇想...你地有冇諗過, R2 B( q# o/ q. c4 Z, ? N4 ]
假設...
Originally posted by 機密 at 2006-5-9 12:10 AM:, s( j) m. g% [) u$ a s
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:, B! h" O- k8 T( b# W% R1 Z0 f
但假如我唔係 North Pole jump 落...
Originally posted by 機密 at 2006-5-9 12:10 AM:# \3 [, m* M+ i
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 00:15:0 H( r$ U. I# o2 _3 s
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:2 D% S0 ]! Q9 ?7 A1 b5 b2 F% |0 y
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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:
我反而想知"下降"速度幾多?
Originally posted by FishyR at 2006-5-9 05:09 PM:6 L3 p+ m) {0 g1 W/ y3 F
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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