{"id":19047,"date":"2025-07-06T22:15:08","date_gmt":"2025-07-06T15:15:08","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=19047"},"modified":"2025-07-09T17:06:10","modified_gmt":"2025-07-09T10:06:10","slug":"chuyen-dong-tron-deu-la-gi-cac-dai-luong-dac-trung-va-cong-thuc-tinh-can-nho","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/chuyen-dong-tron-deu-la-gi-cac-dai-luong-dac-trung-va-cong-thuc-tinh-can-nho\/","title":{"rendered":"Chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n \u0111\u1ec1u l\u00e0 g\u00ec? C\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng \u0111\u1eb7c tr\u01b0ng v\u00e0 c\u00f4ng th\u1ee9c t\u00ednh c\u1ea7n nh\u1edb"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-dong-tron-deu-la-gi-cac-dai-luong-dac-trung-va-cong-thuc-tinh-can-nho\/#Chuyen_dong_tron_la_gi\" >Chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n l\u00e0 g\u00ec<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-dong-tron-deu-la-gi-cac-dai-luong-dac-trung-va-cong-thuc-tinh-can-nho\/#Toc_do_toc_do_goc_chu_ky_tan_so_trong_chuyen_dong_tron\" >T\u1ed1c \u0111\u1ed9, t\u1ed1c \u0111\u1ed9 g\u00f3c, chu k\u1ef3, t\u1ea7n s\u1ed1 trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-dong-tron-deu-la-gi-cac-dai-luong-dac-trung-va-cong-thuc-tinh-can-nho\/#Toc_do_trong_chuyen_dong_tron\" >T\u1ed1c \u0111\u1ed9 trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-dong-tron-deu-la-gi-cac-dai-luong-dac-trung-va-cong-thuc-tinh-can-nho\/#Vecto_van_toc_trong_chuyen_dong_tron_dong_deu\" >Vect\u01a1 v\u1eadn t\u1ed1c trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n \u0111\u1ed3ng \u0111\u1ec1u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-dong-tron-deu-la-gi-cac-dai-luong-dac-trung-va-cong-thuc-tinh-can-nho\/#Toc_do_goc_trong_chuyen_dong_tron\" >T\u1ed1c \u0111\u1ed9 g\u00f3c trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-dong-tron-deu-la-gi-cac-dai-luong-dac-trung-va-cong-thuc-tinh-can-nho\/#Cong_thuc_tiep_xuc_giua_toc_do_va_toc_do_goc\" >C\u00f4ng th\u1ee9c ti\u1ebfp x\u00fac gi\u1eefa t\u1ed1c \u0111\u1ed9 v\u00e0 t\u1ed1c \u0111\u1ed9 g\u00f3c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-dong-tron-deu-la-gi-cac-dai-luong-dac-trung-va-cong-thuc-tinh-can-nho\/#Chu_ky_trong_chuyen_dong_tron\" >Chu k\u1ef3 trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-dong-tron-deu-la-gi-cac-dai-luong-dac-trung-va-cong-thuc-tinh-can-nho\/#Tan_so_trong_chuyen_dong_tron_dong_deu\" >T\u1ea7n s\u1ed1 trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n \u0111\u1ed3ng \u0111\u1ec1u<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-dong-tron-deu-la-gi-cac-dai-luong-dac-trung-va-cong-thuc-tinh-can-nho\/#Gia_toc_trung_tam\" >Gia t\u1ed1c trung t\u00e2m<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-dong-tron-deu-la-gi-cac-dai-luong-dac-trung-va-cong-thuc-tinh-can-nho\/#Huong_gia_toc_trong_chuyen_dong_tron_la_gi\" >H\u01b0\u1edbng gia t\u1ed1c trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-dong-tron-deu-la-gi-cac-dai-luong-dac-trung-va-cong-thuc-tinh-can-nho\/#Do_lon_cua_gia_toc_trung_tam\" >\u0110\u1ed9 l\u1edbn c\u1ee7a gia t\u1ed1c trung t\u00e2m<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ckconitsha.com\/vn\/chuyen-dong-tron-deu-la-gi-cac-dai-luong-dac-trung-va-cong-thuc-tinh-can-nho\/#Bai_tap_chuyen_dong_tron_Vat_ly_10\" >B\u00e0i t\u1eadp chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n V\u1eadt l\u00fd 10<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">Chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n l\u00e0 m\u1ed9t n\u1ed9i dung quan tr\u1ecdng m\u00e0 h\u1ecd s\u1ebd h\u1ecdc trong Ch\u01b0\u01a1ng tr\u00ecnh V\u1eadt l\u00fd 10. Trong b\u00e0i vi\u1ebft h\u00f4m nay, Kh\u1ec9 s\u1ebd gi\u00fap h\u1ecd hi\u1ec3u chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n l\u00e0 g\u00ec? C\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng \u0111\u1eb7c tr\u01b0ng c\u0169ng nh\u01b0 c\u00f4ng th\u1ee9c quan tr\u1ecdng c\u1ea7n nh\u1edb. H\u00e3y \u0111\u1ecdc b\u00e0i vi\u1ebft ngay b\u00e2y gi\u1edd!<\/p>\n<p>                                                                    <\/p>\n<p class=\"title\">H\u00e0ng tri\u1ec7u tr\u1ebb em \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00e1c k\u1ef9 n\u0103ng ng\u00f4n ng\u1eef c\u1ee7a ch\u00fang th\u00f4ng qua c\u00e1c \u1ee9ng d\u1ee5ng h\u1ecdc t\u1eadp c\u1ee7a kh\u1ec9<\/p>\n<p class=\"description\">\u0110\u0103ng k\u00fd ngay \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed v\u1ec1 c\u00e1c s\u1ea3n ph\u1ea9m v\u00e0 tuy\u1ebfn h\u1ecdc h\u1ecdc cho tr\u1ebb em.<\/p>\n<p>                                                                            *Vui l\u00f2ng ki\u1ec3m tra t\u00ean \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a b\u1ea1n *Vui l\u00f2ng ki\u1ec3m tra s\u1ed1 \u0111i\u1ec7n tho\u1ea1i h\u01a1n 2.000 t\u1eeb &amp; 6.000 c\u00e2u ti\u1ebfng Anh \u0111\u1ec3 ph\u00e1t tri\u1ec3n to\u00e0n di\u1ec7n 4 k\u1ef9 n\u0103ng ti\u1ebfng Anh t\u1ed1t &#8211; ti\u1ebfng Anh theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i ph\u00e1t tri\u1ec3n kh\u1ea3 n\u0103ng EQ &amp; Vi\u1ec7t Nam *B\u1ea1n ch\u01b0a ch\u1ecdn b\u1ea5t k\u1ef3 m\u1ee5c n\u00e0o! \u0110\u0103ng k\u00fd t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Chuyen_dong_tron_la_gi\"><\/span>Chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n l\u00e0 g\u00ec<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\" style=\"line-height: 1.38;text-align: center;margin-top: 0pt;margin-bottom: 0pt\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/chuyen-dong-tron-deu-1.jpg\" alt=\"Chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n \u0111\u1ec1u. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"800\" height=\"500\"><\/p>\n<p dir=\"ltr\">Trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y, ch\u00fang ta th\u01b0\u1eddng th\u1ea5y nh\u1eefng h\u00ecnh \u1ea3nh quen thu\u1ed9c nh\u01b0 \u0111\u1ed3ng h\u1ed3 quay, b\u00e1nh xe Ferris trong c\u00f4ng vi\u00ean gi\u1ea3i tr\u00ed, &#8230; nh\u1eefng h\u00ecnh \u1ea3nh n\u00e0y \u0111\u1ec1u \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n. V\u1eady chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n kh\u00e1c v\u1edbi chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Khi chuy\u1ec3n \u0111\u1ed9ng c\u00f3 m\u1ed9t qu\u1ef9 \u0111\u1ea1o nh\u01b0 m\u1ed9t v\u00f2ng tr\u00f2n, ch\u00fang t\u00f4i g\u1ecdi n\u00f3 l\u00e0 m\u1ed9t chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u1ed1c \u0111\u1ed9 trung b\u00ecnh trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n s\u1ebd b\u1eb1ng v\u1edbi t\u1ed5n th\u01b0\u01a1ng c\u1ee7a chi\u1ec1u d\u00e0i tr\u00f2n m\u00e0 v\u1eadt th\u1ec3 \u0111i so v\u1edbi th\u1eddi gian chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">T\u1ed1c \u0111\u1ed9 trung b\u00ecnh trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n = (chi\u1ec1u d\u00e0i c\u1ee7a v\u00f2ng cung m\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng bi\u1ebfn m\u1ea5t) \/ (th\u1eddi gian chuy\u1ec3n \u0111\u1ed9ng)<\/p>\n<p dir=\"ltr\">Chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n l\u00e0 m\u1ed9t qu\u1ef9 \u0111\u1ea1o tr\u00f2n v\u00e0 trong b\u1ea5t k\u1ef3 kho\u1ea3ng th\u1eddi gian b\u1eb1ng nhau n\u00e0o, \u0111\u1ed1i t\u01b0\u1ee3ng di chuy\u1ec3n c\u00e1c v\u00f2ng b\u1eb1ng nhau.<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: center;margin-top: 0pt;margin-bottom: 0pt\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/chuyen-dong-tron-deu-2.jpg\" alt=\"Chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a \u0111\u1ed3ng h\u1ed3 l\u00e0 chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n \u0111\u1ed3ng \u0111\u1ec1u. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"800\" height=\"500\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Toc_do_toc_do_goc_chu_ky_tan_so_trong_chuyen_dong_tron\"><\/span>T\u1ed1c \u0111\u1ed9, t\u1ed1c \u0111\u1ed9 g\u00f3c, chu k\u1ef3, t\u1ea7n s\u1ed1 trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Toc_do_trong_chuyen_dong_tron\"><\/span>T\u1ed1c \u0111\u1ed9 trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1eb7t \u0394S l\u00e0 chi\u1ec1u d\u00e0i tr\u00f2n m\u00e0 v\u1eadt th\u1ec3 di chuy\u1ec3n trong m\u1ed9t kho\u1ea3ng th\u1eddi gian r\u1ea5t ng\u1eafn, ch\u00fang ta c\u00f3 c\u00f4ng th\u1ee9c t\u00ednh to\u00e1n t\u1ed1c \u0111\u1ed9 chi\u1ec1u d\u00e0i (c\u01b0\u1eddng \u0111\u1ed9 t\u1ee9c th\u1eddi trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n) nh\u01b0 sau:<\/p>\n<table style=\"border-collapse: collapse;width: 100%;border-color: #4e4c50;border-style: solid;margin-left: auto;margin-right: auto\" border=\"1\">\n<tr>\n<td style=\"width: 98.6618%;text-align: center\">\n<p>v = \u0394S\/t<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p dir=\"ltr\">Trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n th\u1ed1ng nh\u1ea5t, t\u1ed1c \u0111\u1ed9 c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng s\u1ebd kh\u00f4ng thay \u0111\u1ed5i.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Vecto_van_toc_trong_chuyen_dong_tron_dong_deu\"><\/span>Vect\u01a1 v\u1eadn t\u1ed1c trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n \u0111\u1ed3ng \u0111\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Xem x\u00e9t c\u00e1c \u0111i\u1ec1u ki\u1ec7n tr\u00f2n c\u00f3 chi\u1ec1u d\u00e0i r\u1ea5t nh\u1ecf (c\u00f3 th\u1ec3 gi\u1ed1ng nh\u01b0 m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng), ch\u00fang t\u00f4i s\u1eed d\u1ee5ng m\u1ed9t vect\u01a1 <img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/A%CC%89nh_chu%CC%A3p_Ma%CC%80n_hi%CC%80nh_2022-07-24_lu%CC%81c_9.18.45_CH.png\" alt=\"\" width=\"50\" height=\"28\"> \u0110\u1ec3 ch\u1ec9 ra kho\u1ea3ng c\u00e1ch v\u00e0 \u0111i, ch\u1ec9 \u0111\u1ec3 ch\u1ec9 ra chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.38;text-align: center;margin-top: 0pt;margin-bottom: 0pt\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/chuyen-dong-tron-deu-3.jpg\" alt=\"C\u00e1c vect\u01a1 v\u1eadn t\u1ed1c trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n \u0111\u1ed3ng \u0111\u1ec1u. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"800\" height=\"500\"><\/p>\n<p dir=\"ltr\">Vect\u01a1 v\u1eadn t\u1ed1c trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n lu\u00f4n ti\u1ebfp tuy\u1ebfn v\u1edbi v\u00f2ng tr\u00f2n qu\u1ef9 \u0111\u1ea1o.<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/A%CC%89nh_chu%CC%A3p_Ma%CC%80n_hi%CC%80nh_2022-07-24_lu%CC%81c_9.20.19_CH.png\" alt=\"\" width=\"800\" height=\"117\"><\/p>\n<p dir=\"ltr\">Trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n \u0111\u1ed3ng \u0111\u1ec1u, vect\u01a1 v\u1eadn t\u1ed1c lu\u00f4n thay \u0111\u1ed5i. <\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Toc_do_goc_trong_chuyen_dong_tron\"><\/span>T\u1ed1c \u0111\u1ed9 g\u00f3c trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u1ed1c \u0111\u1ed9 c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n l\u00e0 s\u1ed1 l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng g\u00f3c m\u00e0 b\u00e1n k\u00ednh c\u1ee7a OM (h\u00ecnh \u1ea3nh b\u00ean d\u01b0\u1edbi) \u0111\u01b0\u1ee3c qu\u00e9t trong m\u1ed9t \u0111\u01a1n v\u1ecb th\u1eddi gian. T\u1ed1c \u0111\u1ed9 g\u00f3c c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n l\u00e0 s\u1ed1 l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i.<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.38;text-align: center;margin-top: 0pt;margin-bottom: 0pt\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/chuyen-dong-tron-deu-4.jpg\" alt=\"T\u1ed1c \u0111\u1ed9 g\u00f3c c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n l\u00e0 ch\u1eb5n. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet) \" width=\"800\" height=\"500\"><\/p>\n<p dir=\"ltr\">Ch\u00fang t\u00f4i c\u00f3 c\u00f4ng th\u1ee9c t\u1ed1c \u0111\u1ed9 g\u00f3c:<\/p>\n<table style=\"border-collapse: collapse;width: 100%;border-color: #4e4c50;border-style: solid\" border=\"1\">\n<tr>\n<td style=\"width: 98.6618%\">\n<p style=\"text-align: center\">= \u0394\u03b1\/t<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p dir=\"ltr\">Trong \u0111\u00f3:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u03a9: t\u1ed1c \u0111\u1ed9 g\u00f3c, \u0111\u01a1n v\u1ecb radio\/s<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0394\u03b1: B\u00e1n k\u00ednh c\u1ee7a OM c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c qu\u00e9t, \u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng Radian (Radian)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0394T: Th\u1eddi gian qu\u00e9t OM b\u00e1n k\u00ednh, \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng<\/p>\n<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cong_thuc_tiep_xuc_giua_toc_do_va_toc_do_goc\"><\/span>C\u00f4ng th\u1ee9c ti\u1ebfp x\u00fac gi\u1eefa t\u1ed1c \u0111\u1ed9 v\u00e0 t\u1ed1c \u0111\u1ed9 g\u00f3c <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">C\u00f4ng th\u1ee9c:<\/p>\n<table style=\"border-collapse: collapse;width: 100%;border-color: #4e4c50;border-style: solid\" border=\"1\">\n<tr>\n<td style=\"width: 98.6618%\">\n<p style=\"text-align: center\">v = r. \u03c9<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p dir=\"ltr\">Trong \u0111\u00f3 <\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">V: Chi\u1ec1u d\u00e0i (M\/S)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">R: B\u00e1n k\u00ednh (M)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u03a9: T\u1ed1c \u0111\u1ed9 g\u00f3c (rad\/s)<\/p>\n<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Chu_ky_trong_chuyen_dong_tron\"><\/span>Chu k\u1ef3 trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Chu k\u1ef3 t c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n l\u00e0 th\u1eddi gian \u0111\u1ec3 \u0111\u1ed1i t\u01b0\u1ee3ng \u0111i xung quanh. \u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng c\u1ee7a chu k\u1ef3 l\u00e0 (c\u00e1c) gi\u00e2y.<\/p>\n<p dir=\"ltr\">Ch\u00fang t\u00f4i c\u00f3 c\u00f4ng th\u1ee9c:<\/p>\n<table style=\"border-collapse: collapse;width: 100%;border-color: #4e4c50;border-style: solid\" border=\"1\">\n<tr>\n<td style=\"width: 98.6618%\">\n<p style=\"text-align: center\">T = 2\u03c0\/<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tan_so_trong_chuyen_dong_tron_dong_deu\"><\/span>T\u1ea7n s\u1ed1 trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n \u0111\u1ed3ng \u0111\u1ec1u <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u1ea7n s\u1ed1 F c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n l\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u00e1c v\u00f2ng m\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng \u0111i trong m\u1ed9t gi\u00e2y. \u0110\u01a1n v\u1ecb c\u1ee7a t\u1ea7n s\u1ed1 l\u00e0\/s ho\u1eb7c hec (Hz).<\/p>\n<p dir=\"ltr\">Ch\u00fang t\u00f4i c\u00f3 c\u00f4ng th\u1ee9c:<\/p>\n<table style=\"border-collapse: collapse;width: 100%;border-color: #4e4c50;border-style: solid\" border=\"1\">\n<tr>\n<td style=\"width: 98.6618%\">\n<p style=\"text-align: center\">f = 1\/t<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Gia_toc_trung_tam\"><\/span>Gia t\u1ed1c trung t\u00e2m <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Huong_gia_toc_trong_chuyen_dong_tron_la_gi\"><\/span>H\u01b0\u1edbng gia t\u1ed1c trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n l\u00e0 g\u00ec? <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n \u0111\u1ed3ng \u0111\u1ec1u, h\u01b0\u1edbng lu\u00f4n thay \u0111\u1ed5i m\u1eb7c d\u00f9 v\u1eadn t\u1ed1c l\u00e0 kh\u00f4ng \u0111\u1ed5i, v\u00ec v\u1eady chuy\u1ec3n \u0111\u1ed9ng n\u00e0y c\u00f3 gia t\u1ed1c. Gia t\u1ed1c trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n lu\u00f4n \u0111\u01b0\u1ee3c h\u01b0\u1edbng \u0111\u1ebfn trung t\u00e2m c\u1ee7a qu\u1ef9 \u0111\u1ea1o, do \u0111\u00f3 n\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 gia t\u1ed1c trung t\u00e2m.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Do_lon_cua_gia_toc_trung_tam\"><\/span>\u0110\u1ed9 l\u1edbn c\u1ee7a gia t\u1ed1c trung t\u00e2m <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">C\u00f4ng th\u1ee9c t\u00ednh to\u00e1n \u0111\u1ed9 l\u1edbn c\u1ee7a gia t\u1ed1c trung t\u00e2m:<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/A%CC%89nh_chu%CC%A3p_Ma%CC%80n_hi%CC%80nh_2022-07-24_lu%CC%81c_9.28.28_CH.png\" alt=\"\" width=\"800\"><\/p>\n<p dir=\"ltr\">Trong \u0111\u00f3: <\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">A (HT): Khi t\u0103ng t\u1ed1c (M\/S^2)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">V: Chi\u1ec1u d\u00e0i (M\/S)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">R: B\u00e1n k\u00ednh (M)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u03a9: T\u1ed1c \u0111\u1ed9 g\u00f3c (rad\/s)<\/p>\n<\/li>\n<\/ul>\n<p>Xem th\u00eam: Chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a \u0111\u1ed9ng c\u01a1 l\u00e0 g\u00ec? \u0110i\u1ec3m l\u00e0 g\u00ec? L\u00fd thuy\u1ebft &amp; B\u00e0i t\u1eadp chi ti\u1ebft (V\u1eadt l\u00fd 10)<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_chuyen_dong_tron_Vat_ly_10\"><\/span>B\u00e0i t\u1eadp chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n V\u1eadt l\u00fd 10 <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">B\u00e0i 1: \u0110\u1ed1i t\u01b0\u1ee3ng n\u00e0o sau \u0111\u00e2y \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n?<\/p>\n<p dir=\"ltr\">          A. Chuy\u1ec3n \u0111\u1ed9ng quay c\u1ee7a b\u00e1nh xe trong khi phanh.<\/p>\n<p dir=\"ltr\">            B. Chuy\u1ec3n \u0111\u1ed9ng quay c\u1ee7a kim ph\u00fat tr\u00ean m\u1eb7t \u0111\u1ed3ng h\u1ed3 ch\u1ea1y \u0111\u00fang gi\u1edd.<\/p>\n<p dir=\"ltr\">            C. Xoay c\u1ee7a \u0111i\u1ec3m treo gh\u1ebf tr\u00ean b\u00e1nh xe Ferris.<\/p>\n<p dir=\"ltr\">            D. v\u00f2ng quay c\u1ee7a r\u00f4to khi t\u1eaft ngu\u1ed3n.<\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc 2: C\u00f3 s\u1eb5n chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n<\/p>\n<p dir=\"ltr\">        A. vect\u01a1 v\u1eadn t\u1ed1c l\u00e0 kh\u00f4ng \u0111\u1ed5i.<\/p>\n<p dir=\"ltr\">        B. T\u1ed1c \u0111\u1ed9 ph\u1ee5 thu\u1ed9c v\u00e0o b\u00e1n k\u00ednh qu\u1ef9 \u0111\u1ea1o.<\/p>\n<p dir=\"ltr\">        C. T\u1ed1c \u0111\u1ed9 g\u00f3c ph\u1ee5 thu\u1ed9c v\u00e0o b\u00e1nh th\u1ee7y tinh qu\u1ef9 \u0111\u1ea1o.<\/p>\n<p dir=\"ltr\">        D. Gia t\u1ed1c c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 t\u00f9y thu\u1ed9c v\u00e0o b\u00e1n k\u00ednh qu\u1ef9 \u0111\u1ea1o.<\/p>\n<p dir=\"ltr\">B\u00e0i 3: Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y l\u00e0 ch\u00ednh x\u00e1c? Trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n \u0111\u1ed3ng \u0111\u1ec1u:<\/p>\n<p dir=\"ltr\">        A. vect\u01a1 v\u1eadn t\u1ed1c lu\u00f4n kh\u00f4ng \u0111\u1ed5i, v\u00ec v\u1eady gia t\u1ed1c l\u00e0 0.<\/p>\n<p dir=\"ltr\">        B. gia t\u1ed1c v\u1ec1 ph\u00eda trung t\u00e2m qu\u1ef9 \u0111\u1ea1o, \u0111\u1ed9 l\u1edbn t\u1ef7 l\u1ec7 ngh\u1ecbch v\u1edbi b\u00ecnh ph\u01b0\u01a1ng chi\u1ec1u d\u00e0i.<\/p>\n<p dir=\"ltr\">        C. H\u01b0\u1edbng, h\u01b0\u1edbng v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 v\u1eadn t\u1ed1c lu\u00f4n thay \u0111\u1ed5i.<\/p>\n<p dir=\"ltr\">        D. gia t\u1ed1c v\u1ec1 ph\u00eda trung t\u00e2m qu\u1ef9 \u0111\u1ea1o, c\u01b0\u1eddng \u0111\u1ed9 t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi b\u00ecnh ph\u01b0\u01a1ng c\u1ee7a t\u1ed1c \u0111\u1ed9 g\u00f3c<\/p>\n<p dir=\"ltr\">B\u00e0i 4: Ch\u1ecdn \u0111\u00fang c\u00e2u.<\/p>\n<p dir=\"ltr\">      A. Trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n, c\u00f3 c\u00f9ng b\u00e1n k\u00ednh, c\u00f3 chu k\u1ef3 quay l\u1edbn h\u01a1n, c\u00f3 v\u1eadn t\u1ed1c d\u00e0i h\u01a1n.<\/p>\n<p dir=\"ltr\">      B. Trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n \u0111\u1ed3ng \u0111\u1ec1u, b\u1ea5t k\u1ef3 chu k\u1ef3 quay nh\u1ecf h\u01a1n c\u00f3 v\u1eadn t\u1ed1c g\u00f3c nh\u1ecf h\u01a1n.<\/p>\n<p dir=\"ltr\">      C. Trong c\u00e1c chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n th\u00f4ng th\u01b0\u1eddng, b\u1ea5t k\u1ef3 chuy\u1ec3n \u0111\u1ed9ng t\u1ea7n s\u1ed1 l\u1edbn h\u01a1n n\u00e0o c\u0169ng c\u00f3 chu k\u1ef3 nh\u1ecf h\u01a1n.<\/p>\n<p dir=\"ltr\">      D. Trong c\u00e1c chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n \u0111\u1ed3ng \u0111\u1ec1u, v\u1edbi c\u00f9ng m\u1ed9t chu k\u1ef3, b\u1ea5t k\u1ef3 b\u00e1n k\u00ednh nh\u1ecf h\u01a1n c\u00f3 v\u1eadn t\u1ed1c g\u00f3c nh\u1ecf h\u01a1n.<\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc 5: C\u00e1c c\u00f4ng th\u1ee9c M\u1ed1i quan h\u1ec7 gi\u1eefa t\u1ed1c \u0111\u1ed9 g\u00f3c v\u00e0 kho\u1ea3ng th\u1eddi gian T v\u00e0 gi\u1eefa t\u1ed1c \u0111\u1ed9 g\u00f3c \u03c9 v\u00e0 t\u1ea7n s\u1ed1 F trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n l\u00e0:<\/p>\n<p dir=\"ltr\">      A. = 2\u03c0\/t; = 2\u03c0f<\/p>\n<p dir=\"ltr\">      B. = 2\u03c0t; = 2\u03c0\/f.<\/p>\n<p dir=\"ltr\">      C. = 2\u03c0t; = 2\u03c0\/f<\/p>\n<p dir=\"ltr\">      D. = 2\u03c0\/t; = 2\u03c0\/f<\/p>\n<p dir=\"ltr\">B\u00e0i 6: M\u1ed9t \u0111i\u1ec3m ngo\u00e0i c\u1ee7a r\u00f4to c\u00f3 chi\u1ec1u d\u00e0i 30cm, chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n v\u1edbi chu k\u1ef3 quay l\u00e0 0,2 gi\u00e2y. X\u00e1c \u0111\u1ecbnh chi\u1ec1u d\u00e0i v\u00e0 t\u1ed1c \u0111\u1ed9 g\u00f3c c\u1ee7a \u0111i\u1ec3m \u0111\u00f3.<\/p>\n<p dir=\"ltr\">B\u00e0i 7: M\u1ed9t \u0111i\u1ec3m chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n \u1ed5n \u0111\u1ecbnh trong m\u1ed9t ph\u00fat xoay l\u00e0 300 l\u1ea7n. X\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9, t\u1ed1c \u0111\u1ed9 g\u00f3c v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a gia t\u1ed1c \u0111\u1ecbnh h\u01b0\u1edbng trung t\u00e2m c\u1ee7a b\u00e1n k\u00ednh qu\u1ef9 \u0111\u1ea1o tr\u00f2n l\u00e0 40cm<\/p>\n<p dir=\"ltr\">B\u00e0i 8: X\u00e1c \u0111\u1ecbnh t\u1ef7 l\u1ec7 gi\u1eefa t\u1ed1c \u0111\u1ed9 g\u00f3c, t\u1ef7 l\u1ec7 gi\u1eefa chi\u1ec1u d\u00e0i c\u1ee7a chi\u1ec1u d\u00e0i, t\u1ef7 l\u1ec7 gi\u1eefa gia t\u1ed1c ly t\u00e2m c\u1ee7a \u0111i\u1ec3m c\u1ee7a \u0111i\u1ec3m \u1edf cu\u1ed1i kim d\u00e0i 4cm, gi\u1edd d\u00e0i 3cm, d\u00e0i 3cm,<\/p>\n<p dir=\"ltr\">B\u00e0i 9: X\u00e1c \u0111\u1ecbnh chu k\u1ef3 quay, t\u1ed1c \u0111\u1ed9 g\u00f3c, gia t\u1ed1c trung t\u00e2m c\u1ee7a m\u1ed9t \u0111i\u1ec3m chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n v\u1edbi t\u1ed1c \u0111\u1ed9 64,8 km\/h tr\u00ean qu\u1ef9 \u0111\u1ea1o v\u1edbi b\u00e1n k\u00ednh 30cm.<\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc 10: Xem x\u00e9t chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a tr\u00e1i \u0111\u1ea5t xung quanh m\u1eb7t tr\u1eddi l\u00e0 m\u1ed9t chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n v\u00e0 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a s\u1ef1 t\u1ef1a c\u1ee7a tr\u00e1i \u0111\u1ea5t c\u0169ng l\u00e0 m\u1ed9t chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n. Bi\u1ebft b\u00e1n k\u00ednh c\u1ee7a tr\u00e1i \u0111\u1ea5t l\u00e0 6400 km, tr\u00e1i \u0111\u1ea5t c\u00e1ch m\u1eb7t tr\u1eddi 150 tri\u1ec7u km, chu k\u1ef3 quay c\u1ee7a tr\u00e1i \u0111\u1ea5t quanh m\u1eb7t tr\u1eddi l\u00e0 365 ng\u00e0y v\u00e0 1\/4 ng\u00e0y tr\u00e1i \u0111\u1ea5t t\u1ef1 quay l\u1ea1i. T\u00ednh to\u00e1n<\/p>\n<p dir=\"ltr\">a) T\u1ed1c \u0111\u1ed9 g\u00f3c v\u00e0 chi\u1ec1u d\u00e0i c\u1ee7a trung t\u00e2m tr\u00e1i \u0111\u1ea5t trong chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n xung quanh m\u1eb7t tr\u1eddi<\/p>\n<p dir=\"ltr\">b) T\u1ed1c \u0111\u1ed9 g\u00f3c v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1ee7a m\u1ed9t \u0111i\u1ec3m tr\u00ean \u0111\u01b0\u1eddng x\u00edch \u0111\u1ea1o trong chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 do c\u1ee7a Tr\u00e1i \u0111\u1ea5t.<\/p>\n<p dir=\"ltr\">c) T\u1ed1c \u0111\u1ed9 v\u00e0 chi\u1ec1u d\u00e0i c\u1ee7a m\u1ed9t \u0111i\u1ec3m tr\u00ean song song th\u1ee9 30 trong chuy\u1ec3n \u0111\u1ed9ng t\u1ef1a \u0111\u1ec1 c\u1ee7a tr\u00e1i \u0111\u1ea5t<\/p>\n<p dir=\"ltr\">H\u01b0\u1edbng d\u1eabn gi\u1ea3i ph\u00e1p:<\/p>\n<p dir=\"ltr\">B\u00e0i 1: b<\/p>\n<p dir=\"ltr\">B\u00e0i 2: d<\/p>\n<p dir=\"ltr\">B\u00e0i 3: d<\/p>\n<p dir=\"ltr\">B\u00e0i 4: c<\/p>\n<p dir=\"ltr\">B\u00e0i 5: a<\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc 6: Ph\u00e2n t\u00edch v\u1ea5n \u0111\u1ec1<\/p>\n<p dir=\"ltr\">r = 30cm = 0,3m; T = 0,2s<\/p>\n<p dir=\"ltr\">Ph\u1ea7n th\u01b0\u1edfng<\/p>\n<p dir=\"ltr\">= 2\u03c0\/t = 10\u03c0 rad\/s.<\/p>\n<p dir=\"ltr\">V = r\u03a9 = 9,42 m\/s.<\/p>\n<p dir=\"ltr\">B\u00e0i 7: Ph\u00e2n t\u00edch c\u00e1c v\u1ea5n \u0111\u1ec1<\/p>\n<p dir=\"ltr\">= 300\/ph\u00fat = 300.2\u03c0\/60 (rad\/s) = 10\u03c0 (rad\/s); r = 40cm = 0,4m<\/p>\n<p dir=\"ltr\">Ph\u1ea7n th\u01b0\u1edfng<\/p>\n<p dir=\"ltr\">= 10\u03c0 (rad\/s)<\/p>\n<p dir=\"ltr\">V = r\u03a9 = 0.4,10\u03c0 = 12,56 m\/s.<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;padding: 0pt 0pt 14pt 0pt;margin: 0pt 3pt 0pt 3pt\">  A (ht) = v^2\/r = 394,4 m\/s2.<\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc 8: Ph\u00e2n t\u00edch c\u00e1c v\u1ea5n \u0111\u1ec1<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;padding: 0pt 0pt 14pt 0pt;margin: 0pt 3pt 0pt 3pt\">Kim ph\u00fat: T1 = 3600s; R1 = 4 cm =&gt; 1 = 2\u03c0\/t1; V1 = \u03c91.r1; A1 = \u03c912.R1<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;padding: 0pt 0pt 14pt 0pt;margin: 0pt 3pt 0pt 3pt\">Gi\u1edd: T2 = 12*3600s; R2 = 3cm =&gt; 2 = 2\u03c0\/t2; V2 = \u03c92.R2; A2 = \u03c922.R2<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;padding: 0pt 0pt 14pt 0pt;margin: 0pt 3pt 0pt 3pt\">Ph\u1ea7n th\u01b0\u1edfng<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;padding: 0pt 0pt 14pt 0pt;margin: 0pt 3pt 0pt 3pt\">1\/ \u03c92 = 12<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;padding: 0pt 0pt 14pt 0pt;margin: 0pt 3pt 0pt 3pt\">V1\/v2 = 16<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;padding: 0pt 0pt 14pt 0pt;margin: 0pt 3pt 0pt 3pt\">A1\/A2 = 192<\/p>\n<p dir=\"ltr\">B\u00e0i 9: Ph\u00e2n t\u00edch c\u00e1c v\u1ea5n \u0111\u1ec1<\/p>\n<p dir=\"ltr\">v = 64,8km\/h = 18m\/s; r = 30cm<\/p>\n<p dir=\"ltr\">Ph\u1ea7n th\u01b0\u1edfng<\/p>\n<p dir=\"ltr\">= v\/r = 60 rad\/s.<\/p>\n<p dir=\"ltr\">T = 2\u03c0\/ = 0.1s<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;padding: 0pt 0pt 14pt 0pt;margin: 0pt 3pt 0pt 3pt\">AHT = \u03c92R = 1080 m\/s2.<\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc 10: Ph\u00e2n t\u00edch c\u00e1c v\u1ea5n \u0111\u1ec1<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;padding: 0pt 0pt 14pt 0pt;margin: 0pt 3pt 0pt 3pt\">a\/ r = 150 tri\u1ec7u km = 150.109m; T1 = 365,25 ng\u00e0y = 365,25*24*3600 (s)<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;padding: 0pt 0pt 14pt 0pt;margin: 0pt 3pt 0pt 3pt\">b\/ r = 6400km = 6400.103m; T2 = 24h = 24*3600 (s)<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;padding: 0pt 0pt 14pt 0pt;margin: 0pt 3pt 0pt 3pt\">c\/ r = 6400km.cos30o; T3 = 24h = 24*3600 (s)<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;padding: 0pt 0pt 14pt 0pt;margin: 0pt 3pt 0pt 3pt\">Ph\u1ea7n th\u01b0\u1edfng<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;padding: 0pt 0pt 14pt 0pt;margin: 0pt 3pt 0pt 3pt\">a\/\u03c91 = 2\u03c0\/t1 = 2.10-7 (rad\/s);<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;padding: 0pt 0pt 14pt 0pt;margin: 0pt 3pt 0pt 3pt\">V1 = 1 (r + r) = 3001 m\/s.<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;padding: 0pt 0pt 14pt 0pt;margin: 0pt 3pt 0pt 3pt\">B\/2 = 2\u03c0\/T2 = 7.27.10-5 (rad\/s);<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;margin: 0pt 3pt 14pt 3pt\">V2 = \u03c92R = 465 m\/s.<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;margin-top: 0pt;margin-bottom: 0pt\">C\/3 = 2\u03c0\/T3 = 7.27.10-5 (rad\/s);<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;margin: 0pt 3pt 14pt 3pt\">V3 = 3RCOS30O = 402 m\/s.<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.2;text-align: justify;background-color: #ffffff;margin: 0pt 3pt 14pt 3pt\">Chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n xu\u1ea5t hi\u1ec7n xung quanh ch\u00fang ta m\u1ed7i ng\u00e0y, trong nhi\u1ec1u gi\u1edd, nh\u01b0ng kh\u00f4ng ph\u1ea3i ai c\u0169ng bi\u1ebft b\u1ea3n ch\u1ea5t v\u00e0 t\u00ednh to\u00e1n s\u1ed1 l\u01b0\u1ee3ng c\u1ee7a n\u00f3. Hy v\u1ecdng, th\u00f4ng qua b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3u v\u00e0 \u00e1p d\u1ee5ng \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan trong ch\u01b0\u01a1ng tr\u00ecnh v\u1eadt l\u00fd n\u00e0y 10!<\/p>\n<p>Ngu\u1ed3n: <a href=\"http:\/\/www.ckconitsha.com\/vn\/\">http:\/\/www.ckconitsha.com\/vn\/<\/a> T\u00e1c gi\u1ea3: <a href=\"https:\/\/www.ckconitsha.com\/vn\/author\/nguyenlandung\">Nguy\u1ec5n L\u00e2n d\u0169ng<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n l\u00e0 m\u1ed9t n\u1ed9i dung quan tr\u1ecdng m\u00e0 h\u1ecd s\u1ebd h\u1ecdc trong Ch\u01b0\u01a1ng tr\u00ecnh V\u1eadt l\u00fd 10. Trong b\u00e0i vi\u1ebft h\u00f4m nay, Kh\u1ec9 s\u1ebd gi\u00fap h\u1ecd hi\u1ec3u chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n l\u00e0 g\u00ec? C\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng \u0111\u1eb7c tr\u01b0ng c\u0169ng nh\u01b0 c\u00f4ng th\u1ee9c quan tr\u1ecdng c\u1ea7n nh\u1edb. H\u00e3y \u0111\u1ecdc b\u00e0i vi\u1ebft ngay b\u00e2y gi\u1edd! H\u00e0ng&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-19047","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/19047","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/comments?post=19047"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/19047\/revisions"}],"predecessor-version":[{"id":25712,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/19047\/revisions\/25712"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=19047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=19047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=19047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}