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Physics, 08.09.2021 14:00 ayowazzzgood
Bài 2. Hai xe ô tô cùng một thời điểm đi qua hai vị trí A và B cách nhau 100km trên cùng con đường, ngược chiều về phía nhau. Xe qua A chuyển động thẳng đều có tốc độ 30km/h. Xe qua B cũng chuyển động thẳng đều có tốc độ 20km/h.
a) Viết phương trình chuyển động của hai xe.
b) Vẽ đồ thị tọa độ thời gian chuyển động của hai xe.
c) Tìm vị trí và thời điểm hai xe gặp nhau.
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Bài 2. Hai xe ô tô cùng một thời điểm đi qua hai vị trí A và B cách nhau 100km trên cùng con đường,...
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