{"id":18869,"date":"2024-09-21T03:12:17","date_gmt":"2024-09-20T20:12:17","guid":{"rendered":"https:\/\/deqa.edu.la\/?p=18869"},"modified":"2025-05-31T20:23:23","modified_gmt":"2025-05-31T13:23:23","slug":"story_100_meters_race","status":"publish","type":"post","link":"https:\/\/deqa.edu.la\/en\/story_100_meters_race\/","title":{"rendered":"The story of 100 meters race"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"18869\" class=\"elementor elementor-18869\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4d380f1 e-flex e-con-boxed e-con e-parent\" data-id=\"4d380f1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-40bfa54 elementor-widget elementor-widget-text-editor\" data-id=\"40bfa54\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A, B and C race each other in a 100 meters race. All of them run at a constant speed throughout the race.<\/p><p>A beats B by 20 meters.<br \/>B beats C by 20 meters.<\/p><p>By how many meters does A beat C?<\/p><p>\u00a0<\/p><p>If you answer this problem with simple feeling, you will make a mistake. Let&#8217;s think about it.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38984aa elementor-widget elementor-widget-toggle\" data-id=\"38984aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"toggle.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-5931\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-5931\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><svg class=\"e-font-icon-svg e-fas-caret-right\" viewBox=\"0 0 192 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M0 384.662V127.338c0-17.818 21.543-26.741 34.142-14.142l128.662 128.662c7.81 7.81 7.81 20.474 0 28.284L34.142 398.804C21.543 411.404 0 402.48 0 384.662z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><svg class=\"elementor-toggle-icon-opened e-font-icon-svg e-fas-caret-up\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M288.662 352H31.338c-17.818 0-26.741-21.543-14.142-34.142l128.662-128.662c7.81-7.81 20.474-7.81 28.284 0l128.662 128.662c12.6 12.599 3.676 34.142-14.142 34.142z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Explanation<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-5931\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-5931\"><p>The answer is not 40 meters!<\/p><p>The problem is when A has arrived 100m, B arrived 80m and how about C? Off course, C is not at the point of 60 m.<\/p><p>By the formular of time = distance \/ speed.<\/p><p>&gt; A beats B by 20 meters<\/p><p>\u00a0 \u00a0 100m\/Va = 80m\/Vb\u00a0 \u00a0 (formular 1)<\/p><p>&gt; B beats C by 20 meters<\/p><p>\u00a0 \u00a0 100m\/Vb = 80m\/Vc\u00a0 \u00a0 (formular 2)<\/p><p>&gt; When A got final line at Ta, we have:<\/p><p>\u00a0 \u00a0 100m\/Va = 80m\/Vb = Dc\/Vc\u00a0 \u00a0 (formular 3)<\/p><p>\u00a0 \u00a0 80\/100 * 80\/Vc = Dc\/Vc\u00a0 \u00a0 (applied formular 2 to formular 3)<\/p><p>\u00a0 \u00a0 64m\/Vc = Dc\/Vc<\/p><p>\u00a0 \u00a0 Dc = 64 m.<\/p><p>&gt; A beats C by <strong>36 meters<\/strong>, this is the correct answer.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>A, B and C race each other in a 100 meters race. All of them run at a constant speed throughout the race. A beats B by 20 meters.B beats C by 20 meters. By how many meters does A &hellip; <\/p>\n","protected":false},"author":2,"featured_media":18874,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[204],"tags":[210,208],"class_list":["post-18869","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-funny_stories","tag-100-meters-race","tag-funny-maths"],"_links":{"self":[{"href":"https:\/\/deqa.edu.la\/en\/wp-json\/wp\/v2\/posts\/18869","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deqa.edu.la\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/deqa.edu.la\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/deqa.edu.la\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/deqa.edu.la\/en\/wp-json\/wp\/v2\/comments?post=18869"}],"version-history":[{"count":19,"href":"https:\/\/deqa.edu.la\/en\/wp-json\/wp\/v2\/posts\/18869\/revisions"}],"predecessor-version":[{"id":18891,"href":"https:\/\/deqa.edu.la\/en\/wp-json\/wp\/v2\/posts\/18869\/revisions\/18891"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deqa.edu.la\/en\/wp-json\/wp\/v2\/media\/18874"}],"wp:attachment":[{"href":"https:\/\/deqa.edu.la\/en\/wp-json\/wp\/v2\/media?parent=18869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/deqa.edu.la\/en\/wp-json\/wp\/v2\/categories?post=18869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/deqa.edu.la\/en\/wp-json\/wp\/v2\/tags?post=18869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}