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Failed to connect to MySQL: (1203) User howardkn already has more than 'max_user_connections' active connectionsPath: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Python Newsgroups: fr.sci.physique Subject: Re: [RR]Le voyageur de Tau Ceti Date: Sun, 24 Mar 2024 13:01:07 +0100 Organization: CCCP Lines: 24 Message-ID: References: <4xyRPaMh7vq2QyMrwK-578xODvk@jntp> <8tLAKdMrZqb20RsfKnP41jd2Y7U@jntp> <65opvPWMbaMIBUzcYUkVzQlxhcg@jntp> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sun, 24 Mar 2024 12:01:07 -0000 (UTC) Injection-Info: dont-email.me; posting-host="6b47b93d510419e882dbbd56f0528aba"; logging-data="379390"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+h9SGUiFe/RB5TuL9OTp8M" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:X8SL2sXZm0FVJBXUNPtAIqy7gHk= Content-Language: en-US In-Reply-To: <65opvPWMbaMIBUzcYUkVzQlxhcg@jntp> Bytes: 1895 Le 24/03/2024 à 12:48, Richard "Hachel" Lengrand a écrit : > Le 24/03/2024 à 12:00, Python a écrit : > >> x' = gamma*(x - vt) >> y' = y >> z' = z >> t' = gamma*(t - vx/c^2) >> >> où gamma = 1/sqrt(1-v^2/c^2) >> >> Quelles sont les valeurs de coordonnées (x0, y0, z0, t0) et >> (x1, y1, z1, t1) pour lesquelles on aurait dt > dt' ET dt < dt' ? >> >> Tu peux chercher longtemps... > > Tu poses des questions maintenant? > > [gna gna gna le fatras débile hors sujet] L'affirmation de Verret porte sur la RR et pas sur ton fatras de débilités, ma question aussi.