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Physics, 11.09.2021 14:00 pet33

Bài 1. Một chiếc ca nô sang ngang một dòng sông có nước chảy với vận tốc v1 = 1,2 m/s. Muốn cho ca nô chuyển động vuông góc với bờ sông với vận tốc v12 = 3,2 m/s thì động cơ của ca nô phải tạo cho nó một vận tốc bằng bao nhiêu?

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Bài 1. Một chiếc ca nô sang ngang một dòng sông có nước chảy với vận tốc v1 = 1,2 m/s. Muốn cho ca n...
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