Physics, 23.10.2021 04:50 Student658

2 vật cùng xuất phát 1 lúc và đi ngược chiều nhau, từ 2 điểm A và B cách nhau 600m. Vận tốc đi A là 10m/s và B là 20m/s hỏi sau bao lâu thì 2 vật gặp nhau

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2 vật cùng xuất phát 1 lúc và đi ngược chiều nhau, từ 2 điểm A và B cách nhau 600m. Vận tốc đi A là...