بوابة الثانوية العامة المصرية - طلب حل اسئلة ضروورى

السلم عليكم ورحمة الله
كل سنة وانتم طيبين
رجاء يا سادة اجوبة الاسئلة دى ضرووورى جدا الله يخليكم

1- state gauss`s law and show how it can be used to drive couomb`s low of electricstatics
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2- (the charge (-1uc.2uc,3uc
located respectively at heads A. B.C of an equilateral triangle of side 2 meters calculate
1) the net potential
2) the resultant electric field at a point p which is half way along side BC
3) if an electron is placed at the point p find the resultant force