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X-Received: by 2002:a37:a9c6:0:b0:75b:2992:2f3a with SMTP id s189-20020a37a9c6000000b0075b29922f3amr1516021qke.4.1686686286447; Tue, 13 Jun 2023 12:58:06 -0700 (PDT) X-Received: by 2002:a81:b706:0:b0:56d:255:e2b6 with SMTP id v6-20020a81b706000000b0056d0255e2b6mr1378226ywh.7.1686686286160; Tue, 13 Jun 2023 12:58:06 -0700 (PDT) Path: ...!3.eu.feeder.erje.net!feeder.erje.net!proxad.net!feeder1-2.proxad.net!209.85.160.216.MISMATCH!news-out.google.com!nntp.google.com!postnews.google.com!google-groups.googlegroups.com!not-for-mail Newsgroups: fr.sci.physique Date: Tue, 13 Jun 2023 12:58:05 -0700 (PDT) In-Reply-To: <XW_DWpBD9I4n7Tbhgl6_rMj5TQY@jntp> Injection-Info: google-groups.googlegroups.com; posting-host=2a01:e0a:1df:790:c855:9d1f:ee2e:1321; posting-account=w5jTyQoAAABC2srlPP05kfcSlYpQVSR8 NNTP-Posting-Host: 2a01:e0a:1df:790:c855:9d1f:ee2e:1321 References: <79431fda-204e-4149-9e12-4dfa75cab27an@googlegroups.com> <XW_DWpBD9I4n7Tbhgl6_rMj5TQY@jntp> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <eae095bc-c641-4fb2-b263-e34abd82482cn@googlegroups.com> Subject: Re: Disque en rotation From: Quarkim <chakim555@gmail.com> Injection-Date: Tue, 13 Jun 2023 19:58:06 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Bytes: 1997 Lines: 17 Le mardi 13 juin 2023 =C3=A0 21:46:58 UTC+2, Julien Arlandis a =C3=A9crit= =C2=A0: > Le 13/06/2023 =C3=A0 21:12, Quarkim a =C3=A9crit :=20 > > Soit un disque de cuivre de 10 cm de rayon et de 1 cm d'=C3=A9paisseur.= =20 > >=20 > > Ce m=C3=A9tal contient autant d'=C3=A9lectrons libres que d'atomes :=20 > > 1e- + Cu+ =E2=9E=9F Cu=20 > >=20 > > Question 1 :=20 > > Si on fait tourner le disque, est-ce qu'une tension =C3=A9lectrique app= ara=C3=AEt=20 > > entre le bord et le centre du fait de la force centrifuge exerc=C3=A9e = sur les=20 > > =C3=A9lectrons libres ? > Oui, Est-ce qu'il y a une vid=C3=A9o de cet effet sur Youtube ?