gaye

Originally posted by fung at 2006-5-8 11:22 PM:
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9 C) i8 V$ x1 \4 r2 n$ c仲要with damping

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7 H5 I$ A- l5 O7 P: A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 ? ( h& G: h8 X/ d: s& p& e; S

# U: n+ G1 R+ V6 b5 w[ Last edited by gaye on 2006-5-8 at 11:36 PM ]

gaye

Originally posted by fung at 2006-5-9 12:03 AM:& \/ n' x- P# z4 R- }
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咁我諗要睇你點define上同落
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- X. v7 Z! |( q' ~( g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)