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nguyendinhhuy009
2 năm trước
mọi người oiiii giúp em với ạ bài : môt con lắc lò xo treo thẳng đứng gồm lò xo nhẹ có độ cứng k=100 N/m và vật nhỏ khối lượng m=2kg. .Lấy g=10m/s^2 con lắc dãn bn
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