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Physics, 12.10.2021 05:10 jayjay5246
Một tài xế mô-tô đi về phía nam với tốc độ 20 m/s mất 3 phút, sau đó vòng qua phía tây
với tốc độ 25 m/s mất 2 phút và cuối cùng anh ta đi theo hướng tây bắc với tốc độ 30 m/s
trong 1 phút. Trong 6 phút di chuyển trên, hãy tìm vector độ dời tổng hợp, tốc độ trung
bình và vận tốc trung bình của xe. Chọn chiều dương trục x là hướng đông.
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Một tài xế mô-tô đi về phía nam với tốc độ 20 m/s mất 3 phút, sau đó vòng qua phía tây
với tốc độ...
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