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Physics, 25.07.2021 14:00 amandapill

Hai xe xuất phát cùng lúc tại hai vị trí A B cách nhau 20 km chuyển động từ A đến B với vận tốc lần lượt là v = 60 km h v b = 50 km h a lập phương trình chuyển động B tìm vị trí thời điểm hai xe gặp nhau c vẽ đồ thị tọa độ thời gian của 2 xe trên một hệ trục d xác định vị trí thời điểm hai xe cách nhau 100 km

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Hai xe xuất phát cùng lúc tại hai vị trí A B cách nhau 20 km chuyển động từ A đến B với vận tốc lần...
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