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Physics, 17.06.2021 17:30 antonypaz6583

Một lò xo có chiều dài l0=34cm. Treo 1 vật có khối lượng m thì lò xo có chiều dài l=36cm. Biết độ cứng của lò xo là 50 N/m. Lấy g=10m/s². Cắt chia lò xo thành 2 phần bằng nhau, ta được lò xo mới giống hệt nhau. Sau đó lấy vật m treo vào 1 trong 2 lò xo mới đó. Tính chiều dài của lò xo mới khi đã treo vật.

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Một lò xo có chiều dài l0=34cm. Treo 1 vật có khối lượng m thì lò xo có chiều dài l=36cm. Biết độ cứ...
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