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Physics, 26.09.2021 23:30 shadow29916

Cùng một lúc có hai vật chuyển động đều trên cùng một đường thẳng từ hai địa điểm cách nhau 25 km nếu chúng đi ngược chiều nhau thì sau 20 phút sẽ gặp nhau nếu chúng đi cùng chiều nhau thì sau 120 phút sẽ đuổi kịp nhau tốc độ của mỗi xe lần lượt là bao nhiêu

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Cùng một lúc có hai vật chuyển động đều trên cùng một đường thẳng từ hai địa điểm cách nhau 25 km nế...

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