nguyensa10112000 nguyensa10112000
  • 21-11-2022
  • Physics
contestada

từ đỉnh tháp đủ cao vật 1 được thả rơi tự do . Sau đó 1 s và ở thấp hơn 10 m vật 2 được thả rơi . Lấy g= 10 m/s
sau bao lâu chúng gặp nhau?
lúc gặp nhau với vận tốc vật 1 đối với vật 2 là bao nhiêu

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