<meta http-equiv="refresh" content="0; URL=https://mobile.twitter.com/i/nojs_router?path=%2F2_wykipedia%2Fstatus%2F899945337816612864"> (cache)佐久間ちゃん迷言Bot on Twitter: "【相対論】打ち上げ花火、慣性系Sから見るか?慣性系S'から見るか? 光のドップラー効果により、花火の色が違って観測されます。 https://t.co/r0hViYLVoD"

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2_wykipedia's profile
佐久間ちゃん迷言Bot
佐久間ちゃん迷言Bot
佐久間ちゃん迷言Bot
@2_wykipedia

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佐久間ちゃん迷言Bot

@2_wykipedia

数学科B2←東京大学理科I類20組←国高68th800。ヘッダー画像はガンマ関数の対数の変形にオイラーの和公式を適用した式。 @keisankionwykip

Joined October 2013

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    佐久間ちゃん迷言Bot‏ @2_wykipedia Aug 22

    【相対論】打ち上げ花火、慣性系Sから見るか?慣性系S'から見るか? 光のドップラー効果により、花火の色が違って観測されます。pic.twitter.com/r0hViYLVoD

    3:44 AM - 22 Aug 2017
    • 884 Retweets
    • 1,573 Likes
    • kaikon_ss@利き腕負傷 エヌ ひらい ㅤ. モンブラン silveR. Yuttsu キムさんの右腕@自称料理人 おいさん (sikutu) ヤマノススメはいいぞ!
    1 reply 884 retweets 1,573 likes
      1. New conversation
      2. ㄘ゛‏ @lc33n Aug 22
        Replying to @2_wykipedia

        (2)はS'系の同時刻なら、(勿論)ローレンツ収縮していますが、やって来た光を"見た"のなら、同時刻の光を見ているとは限らないので縮んで見えないと思いますよ。(テレル回転)

        1 reply 3 retweets 4 likes
      3. 佐久間ちゃん迷言Bot‏ @2_wykipedia Aug 23
        Replying to @lc33n @l_ninjin

        すいません。「見た」ではなく「測った」と書くべきでした。 S'に固定された1点から光を見た場合(光の到着が同時刻ではなくテレル回転を考える必要がある)ではなく、S'で同時刻に直接両端のx'座標の差を測った場合(光とは無関係)という意味です。(2)はB君が見るわけではありません。

        1 reply 2 retweets 2 likes
      4. ㄘ゛‏ @lc33n Aug 23
        Replying to @2_wykipedia

        あ、問題分の最後の行見てませんでした。ごめんなさい

        0 replies 1 retweet 0 likes
      5. End of conversation

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