{"id":153771,"date":"2023-07-31T15:45:02","date_gmt":"2023-07-31T10:15:02","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=153771"},"modified":"2023-07-31T15:45:04","modified_gmt":"2023-07-31T10:15:04","slug":"a-vehicle-is-moving-on-a-road-of-grade-4-at-a-speed-of-20-m-s-consider-the-coefficient-of-rolling-friction-as-0-46-and-acceleration-due-to-gravity-as-10-m-s2","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/a-vehicle-is-moving-on-a-road-of-grade-4-at-a-speed-of-20-m-s-consider-the-coefficient-of-rolling-friction-as-0-46-and-acceleration-due-to-gravity-as-10-m-s2\/","title":{"rendered":"A vehicle is moving on a road of grade +4% at a speed of 20 m\/s. Consider the coefficient of rolling friction as 0.46 and acceleration due to gravity as 10 m\/s2"},"content":{"rendered":"\n<p>Q. A vehicle is moving on a road of grade +4<em>% <\/em>at a speed of 20 <em>m\/s<\/em>. Consider the coefficient of rolling friction as 0.46 and acceleration due to gravity as 10 <em>m\/s<sup>2<\/sup><\/em>. On applying brakes to reach a speed of 10 <em>m\/s<\/em>, the required braking distance (in <em>m, round off to nearest integer<\/em>) along the horizontal, is \u00a0<\/p>\n\n\n\n<p>Solution:<\/p>\n\n\n\n<p>grade=+4%<br>v1=20m\/sec<br>f=0.46<br>g=10m\/sec2<br>v2=10m\/sec<\/p>\n\n\n\n<p>We know,<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"244\" height=\"81\" src=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/07\/Screenshot-447.png\" alt=\"\" class=\"wp-image-153772\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Q. A vehicle is moving on a road of grade +4% at a speed of 20 m\/s. Consider the coefficient of rolling friction as 0.46 and acceleration due to gravity as 10 m\/s2. On applying brakes to reach a speed of 10 m\/s, the required braking distance (in m, round off to nearest integer) along [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":153773,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5141],"tags":[5140],"class_list":["post-153771","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gate","tag-gate-questions"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/153771","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/419"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=153771"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/153771\/revisions"}],"predecessor-version":[{"id":153774,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/153771\/revisions\/153774"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/153773"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=153771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=153771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=153771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}