gaye

Originally posted by fung at 2006-5-8 11:22 PM:
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3 a% n' J$ z4 d4 m仲要with damping

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# ^# W# ?" }; m6 s0 c9 V但假如我唔係 North Pole jump 落去 , 係慢慢爬落去 , 咁到達地心時 , 再向 South Pole 出發個時, 係爬上去定爬落去 ?
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. c6 [( \: H! U  r; E3 J5 J[ Last edited by gaye on 2006-5-8 at 11:36 PM ]

gaye

Originally posted by fung at 2006-5-9 12:03 AM:5 m* z% M; V7 U

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咁我諗要睇你點define上同落9 M; N- L+ X4 t! v& x8 ]
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( d3 V9 L9 ^# @8 G. X沒錯 , 上同下係睇點 define , 冇 absolute , 但人在北極向地心出發(向下挖) , 人的感覺必定是向下前進吧 , 但人到了地心 , 再向南極出發的時候 , 人的感覺會是向上 or 向下前進 ? (假設個人冇掉轉到身)