حل التدريبات العملية: الحركة التوافقية البسيطة في نابض أفقي وبندول بسيط
2.5
نحسب تسارع الجسم في اللحظة t=0.2 s .
من البند 2.2، موقع الجسم في هذه اللحظة هو x=-3.8m، نستخدم دالة التسارع بدلالة الموقع .
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