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Dvinal [7]
2 years ago
12

Một vật chuyển động từ A đến B cách nhau 90m . Trong nữa đoạn đường đầu vật đi với vận tốc v2 =5m/s , giữa đoạn đường còn lại vậ

t chuyển động với vận tốc v2=3m/s. Sau bao lâu vật đến B
Physics
1 answer:
Rainbow [258]2 years ago
6 0

お前なに言ってんのか全然わかんない...

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