Một ô tô có khối lượng 1tấn đang chuyển động với vận tốc 54/h trên giờ thì tắt máy hãm phanh chuyển động Chậm dần đều biết độ lớn của hãm là 3000N xác định quãng đường xe đi được cho đến khi dừng lại

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