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Path: ...!newsreader4.netcologne.de!news.netcologne.de!news.imp.ch!news.alphanet.ch!alphanet.ch!.POSTED!not-for-mail From: Stephane Legras-Decussy <no@flash.fr> Newsgroups: fr.rec.photo Subject: =?UTF-8?Q?Re:_pas_mal.._ma_photo_de_gu=c3=aape_!?= Date: Wed, 12 Apr 2023 04:01:00 +0200 Organization: Posted through news.alphanet.ch Message-ID: <u153cs$2fu$2@shakotay.alphanet.ch> References: <u0r2k6$161g2$1@dont-email.me> <u13lqv$2l0ir$1@dont-email.me> <u13q9c$2l3vn$1@dont-email.me> <u13que$2kt04$1@dont-email.me> <u13t5s$rq$2@shakotay.alphanet.ch> <u13u8n$2l71c$2@dont-email.me> <eu6-atxrEppmGwQfAd86ghgZ6-U@jntp> <u1434c$2m51m$2@dont-email.me> <F3yGa32UUsIsAeF_Wa3U_tM7xfs@jntp> <u145cp$2ma79$2@dont-email.me> <swrHWccufRw9uSbShBgn4devHBw@jntp> <u14e18$2mu7s$3@dont-email.me> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Wed, 12 Apr 2023 02:01:01 -0000 (UTC) Injection-Info: shakotay.alphanet.ch; posting-account="StephaneLegrasDecussy"; logging-data="2558"; mail-complaints-to="usenet@alphanet.ch"; posting-host="8cf5ffb602e9fdd74337b0b069918d97.nnrp.alphanet.ch" User-Agent: Mozilla/5.0 (X11; Linux i686; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 Cancel-Lock: sha256:IeiUAx+5RELvSVnIwR3yadlwUrbHBozqSJEF5ccPGwc= Content-Language: en-US In-Reply-To: <u14e18$2mu7s$3@dont-email.me> Bytes: 1885 Lines: 14 On 04/11/2023 09:56 PM, jdanield wrote: > Le 11/04/2023 à 19:54, Richard Hachel a écrit : > >> Mais c'est pas ça qu'on lui demande, c'est la vitesse apparente. >> > > faudrait peut-être déjà définir ça. je connais vitesse relative, mais > vitesse apparente? > > la vitesse n’apparaît pas. > > j'aurais tendance à répondre zéro: si l'objet vient directement sur moi > je ne le vois pas bouger... exactement !