想象要基與科學

回答: 難,下下個世紀是光速火車歌唱家2011-02-23 11:37:13

light speed* >> third cosmic velocity** with which your train would drive out of the solar system.

*light speed ~ 300Km/s
**third cosmic velocity ~17 Km/s

 

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王師傅沒學過物理,可以理解~@~ -^3.1415926^- 給 ^3.1415926^ 發送悄悄話 (0 bytes) () 02/23/2011 postreply 11:59:39

He needs to consult a physicst like "me" before making the propo -shortstop- 給 shortstop 發送悄悄話 (10 bytes) () 02/23/2011 postreply 12:06:22

Opps, a typo: physicist -shortstop- 給 shortstop 發送悄悄話 (0 bytes) () 02/23/2011 postreply 12:08:03

BMT 裏說,不要那麽認真啦~@~咱這沒有引力,沒有重力,大家都是飄著的 ·@~ -^3.1415926^- 給 ^3.1415926^ 發送悄悄話 (0 bytes) () 02/23/2011 postreply 12:08:04

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