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Physics, 25.10.2021 22:20 laleona01

Xe máy đang đi với vận tốc 28,8km/h đến A thì tăng ga sau đó chuyển động nhanh dần đều. Sau 30 giây vận tốc của xe là 39,6km/h a. Tính gia tốc của xe
b. Sau bao lâu xe đạt vận tốc 54km/h
c. Cùng lúc đó 1 ô tô chuyển động thẳng đều ở B đi về A với vận tốc 72km/h. Biết A cách B 2km. Tìm thời điểm vị trí 2 xe gặp nhau

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Xe máy đang đi với vận tốc 28,8km/h đến A thì tăng ga sau đó chuyển động nhanh dần đều. Sau 30 giây...

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