Comments on: المحاضرة 11 – الجهد والطاقة الميكانيكية http://www.ethrahayat.com/lectures/work-and-mechanical-energy/ تعليـم ذو مستوى عالمي ومتاح للجـمـيع باللـغـة العـربيـة Sat, 07 Aug 2010 12:16:55 +0400 http://wordpress.org/?v=abc hourly 1 By: م. محمد الغامدي http://www.ethrahayat.com/lectures/work-and-mechanical-energy/comment-page-1/#comment-75 م. محمد الغامدي Sat, 03 Apr 2010 21:01:16 +0000 http://www.ethrahayat.com/lectures/work-and-mechanical-energy/#comment-75 very nice lecture. and also nice presenter thank you guys for showing the materials very nice lecture. and also nice presenter

thank you guys for showing the materials

]]>