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السلام عليكم ... عاجل
السلام عليكم ورحمة الله وبركاته
عندي سؤال اتمنى منكم حله ،،، 1. When a pendulum is displaced from the vertical position, what is the reason that it returned to this position? 2. How does the period, T, depend on length? |
الساعة الآن 04:19 |
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