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Physics, 23.10.2021 02:00 nacmp890

một xe tải A có khối lượng 3 tấn , kéo 1 xe tải B có khối lượng 2 tấn bằng 1 dây nhẹ . Hệ số ma sát của các xe với mặt đường là 0,1, tính lực phát động của xe A để chúng chuyển động đều trên đường ngang . lấy g=10 m/s^2

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một xe tải A có khối lượng 3 tấn , kéo 1 xe tải B có khối lượng 2 tấn bằng 1 dây nhẹ . Hệ số ma sát...

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