vì sao giao động điều hòa lại đi theo quỹ đạo thẳng, chẳng phải khi 1 cái xích đu đưa thì nó theo quỹ đạo nữa hình tròn mà nhỉ ???

Các câu hỏi liên quan

1. They provided the Covid patients with free food and drinks. → The Covid patients _________________________________________________________ 2. “I am playing football in Holland now.” My brother, Hau said. →My brother, Hau ____________________________________________________________ 3. If it doesn’t rain, the children will go swimming. → Unless ___________________________________________________________________ 4. She last wore that dress at her sister’s wedding. → She hasn’t ________________________________________________________________ 5. My school is more wonderful than any other schools in the district. → My school ________________________________________________________________ 6. We couldn’t go out for the party because it rained heavily. → Because of ________________________________________________________________ 7. They are going to build a swimming pool in this area next month. →A swimming ……………………………………………………………………………..…… 8. “I can play the piano very well,” said Lan → Lan said that ……………………………………………………………………………….… 9. Put on your coat or you will freeze to death in this weather. → Unless you ……………………………………………………………………………….….. 10. Mr. Minh began teaching Chinese ten years ago. → Mr. Minh has ……….…………………………………………………………………………