Physics
Physics, 29.06.2021 16:00, alexisbarry7495

hai người cùng xuất phát một lúc từ hai địa điểm A và B cách nhau 30km .Người thứ nhất đi xe máy từ A với vậ tốc 45km/h để đuổi theo người thứ hai đi xe đạp xuất phát tại B với vận tốc 25km/h .Hỏi sau bao lâu hai người gặp nhau và xác định choox gặp nhau đó .Coi chuyến động của hai người là đều

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hai người cùng xuất phát một lúc từ hai địa điểm A và B cách nhau 30km .Người thứ nhất đi xe máy từ...

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