tunglabanthan123 4/14/2024 12:00:39 PM

Câu 28: Một con lắc đơn có chiều dài https://lh7-us.googleusercontent.com/jE2ROU57u8i8lW9b2sZ9fgD9XeztNLALQHQaP542YOnKCpGmSxHalYl_pZKO0eGNWJSvgQSm2Q5PsZ8Ar7dcUdRjU8djpLMEH113kCIt83ASFvJSNwk8zarRTzm8TfRf6LFRowXUB5qdjaI=s800 dao động điều hòa tại nơi có gia tốc trọng trường https://lh7-us.googleusercontent.com/zn-a3NTS9RrlzlnK3REISc1H3tguqDaa6RJ794yiEpiKPh8zOZs8Vssce2SeIqvUx9Mg5GHvjUkO7gxrs4tRIl5OIvOnLUIYqY_iaCEAIeH9mjzzCLNdPqsc5hY2XoeZA2je73FxFmAmpyc=s800. Lấy https://lh7-us.googleusercontent.com/iCv3Knyfa0VeGs56IoYoEnAzesEtxmtg6E0wrcmqCXfanAW-eKQG9kiYpBHCSI7rMmdBBAvY-_851nXqkTzFJw_d8aXfeXq2_sJXgyK6g3QX7WJueGesq5Ku4qZopO2A5NpMMQp9XM0F5oA=s800. Tần số dao động của con lắc là

A. https://lh7-us.googleusercontent.com/TFpHsbI1eaJuOU9NI1sjW9RbTvK5aMuzSbKCi7OAVxApn4daxiP8NuvgAU4yyNu_6vOGuLOI2GrCBTn7IVnOGXUgLYkWg0ctHWtvAMj3MNE6GCZIjmpqvmNmr7rfq47Gyc8_zBJVAQ630I0=s800Hz        B. https://lh7-us.googleusercontent.com/dyhf3FxLDSvKnVXi1Cpfw6jUvD_s8TLBlooatQprB2HXeUUWgmVwfWA7Hx_CzsMPszZbDV6QdQjoSA1PvDmUwl6HWI2PD_9bJwfmk7mJA0jIdnMVczsUhPGAWSW1lbgPkK5tjfe3seH63Pc=s800.        C. https://lh7-us.googleusercontent.com/IbVphVC45aN7Ac5yUVTNrtbh-ePkOcZolQQAcdcbc8a459GHDHmzmiPlnvgpxMOSgqVwWSmTcz7YcykClZvu-fxujF1opzVehQIkEZgydoWw8IHaniiZT9fB1aTX5zq71kCTTyrSXoAeVdc=s800.        D. https://lh7-us.googleusercontent.com/a_vCfsTS_CNNXQhmTiUAo4H9IWGBC5h_W6Kt9ka5ESd2gEVXM8zOyx4OfCxpsetFCZkk1x2NNq6abf6BHrDoMTUYpc-6NIiwZ9lyZaCO6arZy3OhanM4rZ9NBV5REhGEb3Dzk0-M-jH3k4A=s800.

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