{"id":87395,"date":"2025-06-01T06:42:19","date_gmt":"2025-06-01T06:42:19","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87395"},"modified":"2025-06-01T06:42:19","modified_gmt":"2025-06-01T06:42:19","slug":"a-racing-car-accelerates-on-a-straight-road-from-rest-to-a-speed-of-50","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/a-racing-car-accelerates-on-a-straight-road-from-rest-to-a-speed-of-50\/","title":{"rendered":"A racing car accelerates on a straight road from rest to a speed of 50"},"content":{"rendered":"<p>A racing car accelerates on a straight road from rest to a speed of 50 m\/s in 25 s. Assuming uniform acceleration of the car throughout, the distance covered in this time will be<\/p>\n<p>[amp_mcq option1=&#8221;625 m&#8221; option2=&#8221;1250 m&#8221; option3=&#8221;2500 m&#8221; option4=&#8221;50 m&#8221; correct=&#8221;option1&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC NDA-1 &#8211; 2016<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-nda-1-2016.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-nda-1-2016\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe distance covered by the racing car is 625 m.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nWe are given the initial velocity (u = 0 m\/s, since it starts from rest), final velocity (v = 50 m\/s), and time (t = 25 s). Assuming uniform acceleration (a), we can use the kinematic equations. First, find the acceleration using v = u + at: 50 = 0 + a * 25, which gives a = 50\/25 = 2 m\/s\u00b2. Then, find the distance (s) using s = ut + (1\/2)at\u00b2: s = (0 * 25) + (1\/2) * 2 * (25)\u00b2 = 0 + 1 * 625 = 625 m. Alternatively, the average velocity is (u+v)\/2 = (0+50)\/2 = 25 m\/s. Distance = Average velocity * time = 25 m\/s * 25 s = 625 m.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nThis problem involves basic kinematics under constant acceleration. The relevant equations of motion are v = u + at, s = ut + (1\/2)at\u00b2, and v\u00b2 = u\u00b2 + 2as. Any of these can be used depending on the given and required variables.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>A racing car accelerates on a straight road from rest to a speed of 50 m\/s in 25 s. Assuming uniform acceleration of the car throughout, the distance covered in this time will be [amp_mcq option1=&#8221;625 m&#8221; option2=&#8221;1250 m&#8221; option3=&#8221;2500 m&#8221; option4=&#8221;50 m&#8221; correct=&#8221;option1&#8243;] This question was previously asked in UPSC NDA-1 &#8211; 2016 Download &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"A racing car accelerates on a straight road from rest to a speed of 50\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/a-racing-car-accelerates-on-a-straight-road-from-rest-to-a-speed-of-50\/#more-87395\">Detailed Solution<span class=\"screen-reader-text\">A racing car accelerates on a straight road from rest to a speed of 50<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1093],"tags":[1098,1129,1128],"class_list":["post-87395","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1098","tag-mechanics","tag-physics","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A racing car accelerates on a straight road from rest to a speed of 50<\/title>\n<meta name=\"description\" content=\"The distance covered by the racing car is 625 m. We are given the initial velocity (u = 0 m\/s, since it starts from rest), final velocity (v = 50 m\/s), and time (t = 25 s). Assuming uniform acceleration (a), we can use the kinematic equations. First, find the acceleration using v = u + at: 50 = 0 + a * 25, which gives a = 50\/25 = 2 m\/s\u00b2. Then, find the distance (s) using s = ut + (1\/2)at\u00b2: s = (0 * 25) + (1\/2) * 2 * (25)\u00b2 = 0 + 1 * 625 = 625 m. Alternatively, the average velocity is (u+v)\/2 = (0+50)\/2 = 25 m\/s. Distance = Average velocity * time = 25 m\/s * 25 s = 625 m.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/a-racing-car-accelerates-on-a-straight-road-from-rest-to-a-speed-of-50\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A racing car accelerates on a straight road from rest to a speed of 50\" \/>\n<meta property=\"og:description\" content=\"The distance covered by the racing car is 625 m. We are given the initial velocity (u = 0 m\/s, since it starts from rest), final velocity (v = 50 m\/s), and time (t = 25 s). Assuming uniform acceleration (a), we can use the kinematic equations. First, find the acceleration using v = u + at: 50 = 0 + a * 25, which gives a = 50\/25 = 2 m\/s\u00b2. Then, find the distance (s) using s = ut + (1\/2)at\u00b2: s = (0 * 25) + (1\/2) * 2 * (25)\u00b2 = 0 + 1 * 625 = 625 m. Alternatively, the average velocity is (u+v)\/2 = (0+50)\/2 = 25 m\/s. Distance = Average velocity * time = 25 m\/s * 25 s = 625 m.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/a-racing-car-accelerates-on-a-straight-road-from-rest-to-a-speed-of-50\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T06:42:19+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"A racing car accelerates on a straight road from rest to a speed of 50","description":"The distance covered by the racing car is 625 m. We are given the initial velocity (u = 0 m\/s, since it starts from rest), final velocity (v = 50 m\/s), and time (t = 25 s). Assuming uniform acceleration (a), we can use the kinematic equations. First, find the acceleration using v = u + at: 50 = 0 + a * 25, which gives a = 50\/25 = 2 m\/s\u00b2. Then, find the distance (s) using s = ut + (1\/2)at\u00b2: s = (0 * 25) + (1\/2) * 2 * (25)\u00b2 = 0 + 1 * 625 = 625 m. Alternatively, the average velocity is (u+v)\/2 = (0+50)\/2 = 25 m\/s. Distance = Average velocity * time = 25 m\/s * 25 s = 625 m.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/a-racing-car-accelerates-on-a-straight-road-from-rest-to-a-speed-of-50\/","og_locale":"en_US","og_type":"article","og_title":"A racing car accelerates on a straight road from rest to a speed of 50","og_description":"The distance covered by the racing car is 625 m. We are given the initial velocity (u = 0 m\/s, since it starts from rest), final velocity (v = 50 m\/s), and time (t = 25 s). Assuming uniform acceleration (a), we can use the kinematic equations. First, find the acceleration using v = u + at: 50 = 0 + a * 25, which gives a = 50\/25 = 2 m\/s\u00b2. Then, find the distance (s) using s = ut + (1\/2)at\u00b2: s = (0 * 25) + (1\/2) * 2 * (25)\u00b2 = 0 + 1 * 625 = 625 m. Alternatively, the average velocity is (u+v)\/2 = (0+50)\/2 = 25 m\/s. Distance = Average velocity * time = 25 m\/s * 25 s = 625 m.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/a-racing-car-accelerates-on-a-straight-road-from-rest-to-a-speed-of-50\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T06:42:19+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/a-racing-car-accelerates-on-a-straight-road-from-rest-to-a-speed-of-50\/","url":"https:\/\/exam.pscnotes.com\/mcq\/a-racing-car-accelerates-on-a-straight-road-from-rest-to-a-speed-of-50\/","name":"A racing car accelerates on a straight road from rest to a speed of 50","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T06:42:19+00:00","dateModified":"2025-06-01T06:42:19+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The distance covered by the racing car is 625 m. We are given the initial velocity (u = 0 m\/s, since it starts from rest), final velocity (v = 50 m\/s), and time (t = 25 s). Assuming uniform acceleration (a), we can use the kinematic equations. First, find the acceleration using v = u + at: 50 = 0 + a * 25, which gives a = 50\/25 = 2 m\/s\u00b2. Then, find the distance (s) using s = ut + (1\/2)at\u00b2: s = (0 * 25) + (1\/2) * 2 * (25)\u00b2 = 0 + 1 * 625 = 625 m. Alternatively, the average velocity is (u+v)\/2 = (0+50)\/2 = 25 m\/s. Distance = Average velocity * time = 25 m\/s * 25 s = 625 m.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/a-racing-car-accelerates-on-a-straight-road-from-rest-to-a-speed-of-50\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/a-racing-car-accelerates-on-a-straight-road-from-rest-to-a-speed-of-50\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/a-racing-car-accelerates-on-a-straight-road-from-rest-to-a-speed-of-50\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC NDA-1","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-nda-1\/"},{"@type":"ListItem","position":3,"name":"A racing car accelerates on a straight road from rest to a speed of 50"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/87395","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=87395"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/87395\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=87395"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=87395"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=87395"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}