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Physics, 23.07.2021 04:30 kenndyllll

Lúc 8h có 2 xe đạp chuyển động thẳng đều khởi hành cùng lúc từ 2 điểm A, B cách nhau 600m và đi ngược chiều nhau. Xe A đi với tốc độ 5 m/s. Xe B đi với tốc độ 4 m/s. a) Viết phương trình chuyển động 2 xe ( hệ quy chiếu tự chọn )
b) Xác định thời điểm và vị trí 2 xe gặp nhau
c) Xác định khoảng cách hai xe lúc 8h5'

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Lúc 8h có 2 xe đạp chuyển động thẳng đều khởi hành cùng lúc từ 2 điểm A, B cách nhau 600m và đi ngượ...

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