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husny
husny
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سؤال أرجو الاجابة عليه سريعا: من أين جاءت القيمة 9.81
husny replied to darkmatter's topic in
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السلام عليكم .. حسب قانون نيوتون : Gm1m2/r^2=m1g \:m1 => Gm2/r^2=g m2 هي كتلة الكرة الأرضية G هي قيمة ثابتة تعرفها ... و R هي نصف قطر الكرة الأرضية عوض بنفسك وشوف g=9.8m\sec^2
March 27, 2009
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