Physics, 30.07.2021 14:00 2006260

MNG GIÚP EM VỚI Ạ: một con lắc đơn quả nặng có khối lượng m=100g dao động điều hoà ở nơi có g=10m/s^2 với phương trình s=12cos4t cm. Lực căng dây khi quả nặng đi qua VTCB có độ lớn: A: 1,0056N B: 1,0124N C: 1,2111N D: 1,1448N

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MNG GIÚP EM VỚI Ạ: một con lắc đơn quả nặng có khối lượng m=100g dao động điều hoà ở nơi có g=10m/s^...

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