https://padlet.com/vynt/fgvkwaj83ot63j1s en-us 2021-10-25 14:02:55 UTC 2025-03-15 12:34:55 UTC hello@padlet.com https://padlet.net/icons/png/1f4da.png vynt https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1841776543 1. STT - Tên
2. Hình ảnh bài làm (yêu cầu chụp rõ nét)]]> 2021-10-25 14:02:55 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1841776543 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843497702 2021-10-26 01:39:44 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843497702 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843551373 2021-10-26 01:59:59 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843551373 17070044 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843559726 2021-10-26 02:03:22 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843559726 17070044 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843586107 2021-10-26 02:14:17 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843586107 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843746059 2021-10-26 03:20:02 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843746059 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843750222 2021-10-26 03:21:53 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843750222 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843752253 2021-10-26 03:22:46 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843752253 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843755640 2021-10-26 03:24:16 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843755640 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843758004 2021-10-26 03:25:12 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843758004 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843759307 2021-10-26 03:25:45 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843759307 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843768727 2021-10-26 03:29:47 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843768727 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843769682 2021-10-26 03:30:11 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843769682 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843775355 2021-10-26 03:32:43 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843775355 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843841593 2021-10-26 04:05:12 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1843841593 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1844333927 2021-10-26 08:31:02 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1844333927 17070044 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1844606633 2021-10-26 11:12:16 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1844606633 17070044 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1844607111 2021-10-26 11:12:34 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1844607111 17070044 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1844621598 2021-10-26 11:19:14 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1844621598 17070044 https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1844626859 2021-10-26 11:22:27 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1844626859 vynt https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1860203270 a. B1: đổi t = 5h 15 phút ra giây.
B2: sau t=5h15p = ... s, kim giờ quét được 1 góc bao nhiêu, kim phút quét được 1 góc bao nhiêu.
B3: góc lệch của 2 cây kim so với vị trí ban đầu của nó lúc t = 0h --> lấy góc quét trừ cho số nguyên lần k2pi (nếu có).
B4: tính góc lệch giữa 2 cây kim.
b. tính tốc độ góc của 2 cây kim. Tính độ chênh lệch tốc độ góc (nghĩa là mỗi giây kim phút đi nhanh hơn kim giờ 1 góc bao nhiêu) --> Lấy góc lệch ở câu a chia cho sự chênh lệch vừa tính sẽ ra thời gian.]]> 2021-11-02 01:10:21 UTC https://padlet.com/vynt/fgvkwaj83ot63j1s/wish/1860203270