Physics, 17.06.2021 14:00 raytaygirl

Một chất điểm chuyển động theo quỹ đạo tròn bán kính r, vận tốc v. Nếu tốc độ của nó tăng lên 2v trên cùng quỹ đạo tròn đó. Hỏi gia tốc hướng tâm của nó tăng lên bao nhiêu lần

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Một chất điểm chuyển động theo quỹ đạo tròn bán kính r, vận tốc v. Nếu tốc độ của nó tăng lên 2v trê...