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Physics, 22.09.2021 17:30 dokithefursona

thả rơi 1 vật từ độ cao 78.4m. lấy g=9.8m/s2. quãng đường vật rơi trong giây đầu tiên và giây cuối cùng là

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thả rơi 1 vật từ độ cao 78.4m. lấy g=9.8m/s2. quãng đường vật rơi trong giây đầu tiên và giây cuối c...

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