<\/span><\/h4>\nN\u1ebfu m\u1ed9t xe \u00f4 t\u00f4 di chuy\u1ec3n 100 km trong 2 gi\u1edd, ta c\u00f3 th\u1ec3 t\u00ednh \u0111\u01b0\u1ee3c v\u1eadn t\u1ed1c c\u1ee7a xe \u00f4 t\u00f4 b\u1eb1ng c\u00f4ng th\u1ee9c V\u1eadn t\u1ed1c = 100 km \/ 2 gi\u1edd = 50 km\/gi\u1edd.<\/p>\n
C\u00e1ch \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c v\u00e0 \u0111\u01a1n v\u1ecb c\u1ee7a v\u1eadn t\u1ed1c v\u00e0o gi\u1ea3i c\u00e1c b\u00e0i to\u00e1n li\u00ean quan l\u00e0 x\u00e1c \u0111\u1ecbnh qu\u00e3ng \u0111\u01b0\u1eddng v\u00e0 th\u1eddi gian, sau \u0111\u00f3 s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c \u0111\u1ec3 t\u00ednh to\u00e1n v\u1eadn t\u1ed1c. \u0110i\u1ec1u n\u00e0y gi\u00fap ch\u00fang ta hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 t\u1ed1c \u0111\u1ed9 di chuy\u1ec3n c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n v\u00e0 thi\u00ean th\u1ec3 trong c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c nhau.<\/p>\n
V\u1eadn t\u1ed1c l\u00e0 \u0111\u1ea1i l\u01b0\u1ee3ng d\u00f9ng \u0111\u1ec3 m\u00f4 t\u1ea3 s\u1ef1 thay \u0111\u1ed5i v\u1ecb tr\u00ed trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh. \u0110\u1ec3 t\u00ednh to\u00e1n v\u1eadn t\u1ed1c, ta chia kho\u1ea3ng c\u00e1ch di chuy\u1ec3n cho th\u1eddi gian m\u00e0 di chuy\u1ec3n \u0111\u00f3 x\u1ea3y ra. V\u1eadn t\u1ed1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u00e9t\/gi\u00e2y (m\/s), kil\u00f4m\u00e9t\/gi\u1edd (km\/h) v\u00e0 nhi\u1ec1u \u0111\u01a1n v\u1ecb kh\u00e1c t\u00f9y thu\u1ed9c v\u00e0o ng\u1eef c\u1ea3nh s\u1eed d\u1ee5ng. Hi\u1ec3u r\u00f5 v\u1ec1 v\u1eadn t\u1ed1c gi\u00fap ta hi\u1ec3u v\u00e0 \u1ee9ng d\u1ee5ng v\u00e0o nhi\u1ec1u l\u0129nh v\u1ef1c cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"
V\u1eadn t\u1ed1c l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m quan tr\u1ecdng trong v\u1eadt l\u00fd, \u0111o l\u01b0\u1eddng s\u1ef1 thay \u0111\u1ed5i kho\u1ea3ng c\u00e1ch theo th\u1eddi gian. N\u00f3 bi\u1ec3u th\u1ecb t\u1ed1c \u0111\u1ed9 di… <\/p>\n","protected":false},"author":1,"featured_media":30795,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-30797","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-khai-niem-1"],"_links":{"self":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts\/30797","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/comments?post=30797"}],"version-history":[{"count":0,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts\/30797\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/media\/30795"}],"wp:attachment":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/media?parent=30797"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/categories?post=30797"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/tags?post=30797"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}