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lethilinh2709
2 năm trước
Khoảng thời gian giữa hai lần liền nhau để hai giọt mưa rơi xuống từ mái hiên là 0,1 s. Khi giọt đầu rơi đến mặt đất thì giọt sau còn cách mặt đất 0,95 m. Tính độ cao của mái hiên. Lấy g = 10 m/s^2.
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