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AzuraMaria

1 tuần trước

Muốn đồng hồ dây cót chạy thì hàng ngày ta phải lên dây cót cho nó.Đồng hồ hoạt động đc là nhờ dạng hoạt động nào?

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Vũ Hữu Ngạn

1 tuần trước

Muốn đồng hồ dây cót chạy thì hàng ngày ta phải lên dây cót cho nó.Đồng hồ hoạt động đc là nhờ dạng hoạt động nào?

=> Đồng hộ dây cót hoạt động được là nhờ thế năng của dây cót.

Chúc bạn học tốt!!

vuide315369

1 tuần trước

Đáp án:

Giải thích các bước giải:

Muốn đồng hồ dây cót chạy, hàng ngày phải lên dây cót cho nó. Đồng hồ hoạt động suốt một ngày nhờ năng lượng của dây cót.

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