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Physics, 30.10.2021 21:30 jayy6863

Một đoàn tàu đang chuyển động với vận tốc 36km/h thì tăng ga chuyển động thẳng nhanh dần đều. Sau 20 giây tàu đạt vận tốc 54km/h. a) Tính gia tốc của đoàn tàu.

b) Tính quãng đường tàu đi được trong thời gian trên.

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Một đoàn tàu đang chuyển động với vận tốc 36km/h thì tăng ga chuyển động thẳng nhanh dần đều. Sau 20...
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