Iniesta Posted January 9, 2020 Share Posted January 9, 2020 (edited) Holaaa (encore) Je bloque sur les 3 derniers items (C et E vrais): https://www.zupimages.net/viewer.php?id=20/02/a1h1.jpeg Je trouve Rmoy = 0,07 et Rmax = 0,105 je pense que je me suis trompée dans mes calculs mais là je vois pas merci d’avance ps: p plomb = 11 g.cm-3 Edited January 9, 2020 by Iniesta Quote Link to comment Share on other sites More sharing options...
Neïla Posted January 9, 2020 Share Posted January 9, 2020 salut tu aurais la référence de l'annale ? Quote Link to comment Share on other sites More sharing options...
Iniesta Posted January 9, 2020 Author Share Posted January 9, 2020 Purpan 2014 Quote Link to comment Share on other sites More sharing options...
Solution FIESCHIC Posted January 9, 2020 Solution Share Posted January 9, 2020 Pour l'item C et D il faut faire Rmax=(1,73/22)*1,5=0,12cm donc 1,2mm Pour l'item E il faut faire Rmoy=(1,73*0,4)/22=0,031cm donc 0,31mm Quote Link to comment Share on other sites More sharing options...
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