حل التدريبات العملية: الحركة التوافقية البسيطة في نابض أفقي وبندول بسيط

3.8

نكتب دالة السرعة بدلالة الزمن المناسبة لوصف حركة الجسم.

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في البند 3.4 رأينا أن الجسم يصل إلى النقطة $$x=-2m في اللحظة $$t=0.253s، نُعوّض بهذه القيمة في دالة السرعة-الزمن:

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