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Physics, 23.10.2021 14:00 balka75

Một đoàn tàu chạy với vận tốc 72 km/h thì phanh chạy chậm đến sau 10s vận tốc giảm xuống còn 54km/h hỏi sau bao lâu đoàn tàu dừng hẳn

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Một đoàn tàu chạy với vận tốc 72 km/h thì phanh chạy chậm đến sau 10s vận tốc giảm xuống còn 54km/...
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