namgiang2205 4/14/2024 11:55:45 AM

Câu 13: Hai dao động điều hòa cùng phương, có phương trình là https://lh7-us.googleusercontent.com/zJnSbHZ9UaFt-qzlB2zoCtdptpSJGE4oO7xqBhIjDOGBysPa1G8j8zvxsawC7tPcEMXWYGF9XrAkI2bppreypmGOksl8XXE1sebGOEjNMt5Qp_GWTZfZ0O9n3j4seY6tXKzSlfSINT_9pM0=s800 và https://lh7-us.googleusercontent.com/RdX-bJlwtTbJVyfGqVYJ0mfGCwX5EMosHxnJxbdnYuWpS7t9oRevAdw6PtTL6M7arMjUxcDztdJc7VXQGbuqKhpJ7BIZw4oj2CeofV-jPLHtecApE1QTC8pihMeRbNmu0_dp-mHtoEqPkOw=s800 với https://lh7-us.googleusercontent.com/smqRxM8c749s7lKkBLFxfoFElyUmE4ceCJqLj7URdjZnBl0opkyAszjH7t7LGRZb4dJ7eMvemZQUO7l-Ni55BBB6ihXXIYHar9jpOJdeZ4J-zVbEtOKGv5vpoEHpwAgxa64bS5a2MMQxe28=s800 và https://lh7-us.googleusercontent.com/fhKH-FvAszBBdVSkXS4s6h1hYN3rDTNwEUNtaaFIUWm826EJ-QMaFGCQeJ2nI-vwEKDJmZMGuEk982h1Vg8_vszkJfdXRsrWQBrQtoOd6BDUEYknI9gVTJ8y9pWwSyFe_Jy5vmGw1HFlMHM=s800. Khi https://lh7-us.googleusercontent.com/hapj8xKFCAaATjX0NQvSxpN6Q8-L_j1d_1HJ_nKIqywAFWmqneBvNmM6JiPm_x4DR96lC-q9uC2aiTtnhZ-55057w_7xKs0KFsb4UiwXNZwfMD2-J5YY3d1G_Dl8Wdb6Ef4O_BeDFRD7qD4=s800 với https://lh7-us.googleusercontent.com/HJdwccRNM_QExww1UsJy_lutFdBNgm6b_3AOdE0fv8LoVS2ZoONQpuxZnem6PoT2LIqIkbyXHOxGshGas0JsX7_nASpRrqeoRR9yL1L2LlW3VU0906Yajp0AvlPVVKdJal751zt08taON4M=s800, thì hai dao động này

A. lệch pha nhau https://lh7-us.googleusercontent.com/qK3u7Xge6JCRfdWbStW7jqYk0_Y-DUQLLj8VlZeZD__ffHQsdy3APaWXnbh9jULhT_Ql7LGjU5g_WvBsxIB4u-itNyBaVAxsSxWE6FaqxRuPkAzATkHAM3pV7ELkcKLbi9y7A7vqztDNeqE=s800.        B. lệch pha nhau https://lh7-us.googleusercontent.com/FvNlbxtqbgGnwuJYoB1iKlJB-MHUP6CWMPs3VJ-ul25xMLU4v8qyj2rHWOXCpTyqfUqAdf_vG-T_bLHhagSO_pBOuRcD2vRH_XoQFPtOBZjY-kM-P9sD1V1XP0ldpPZAmUUCnzHi3YQcSSs=s800.        C. cùng pha nhau.        D. ngược pha nhau.

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