{"id":187618,"date":"2025-02-05T15:15:49","date_gmt":"2025-02-05T15:15:49","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=187618"},"modified":"2025-02-05T15:15:55","modified_gmt":"2025-02-05T15:15:55","slug":"solving-problems-rewrite-fbqv-to-find-v-in-terms-of-fq-and-b","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/02\/05\/solving-problems-rewrite-fbqv-to-find-v-in-terms-of-fq-and-b\/","title":{"rendered":"Solving Problems Rewrite F=Bqv to find v in terms of F,q, and B"},"content":{"rendered":"\n

13 . Solving Problems Rewrite F=Bqv to find v in terms of F,q, and B. <\/p>\n\n\n\n

14. Critical Thinking Using values given in a problem and the equation of distance = speed x time, you calculate a car’s speed to be 290 km\/h. Is this a reasonable answer? Why or why not? Under what circumstances might this be a reasonable answer?<\/p>\n\n\n\n

The Correct Answer and Explanation is <\/strong><\/mark><\/p>\n\n\n\n

13. Solving Problems: Expressing v in Terms of F, q, and B<\/strong><\/h3>\n\n\n\n

We start with the given equation:<\/p>\n\n\n\n

[
F = Bqv
]<\/p>\n\n\n\n

To solve for ( v ), we divide both sides by ( Bq ) (assuming ( B \\neq 0 ) and ( q \\neq 0 )):<\/p>\n\n\n\n

[
v = \\frac{F}{Bq}
]<\/p>\n\n\n\n

Thus, the equation rewritten in terms of ( v ) is:<\/p>\n\n\n\n

[
v = \\frac{F}{Bq}
]<\/p>\n\n\n\n

\n\n\n\n

14. Critical Thinking: Evaluating a Car Speed of 290 km\/h<\/strong><\/h3>\n\n\n\n

A calculated car speed of 290 km\/h<\/strong> is quite high compared to typical speeds of regular road vehicles. Let\u2019s analyze whether this value is reasonable.<\/p>\n\n\n\n

Is This a Reasonable Answer?<\/strong><\/h4>\n\n\n\n

For most cars, 290 km\/h (180 mph)<\/strong> is an extremely high speed<\/strong>, far exceeding speed limits on public roads and highways. Most regular sedans and SUVs have top speeds between 160\u2013220 km\/h (100\u2013140 mph)<\/strong>. Therefore, for an average car in a typical driving situation, this speed is not reasonable<\/strong>.<\/p>\n\n\n\n

Additionally:<\/p>\n\n\n\n

    \n
  • Legal restrictions<\/strong>: Most countries have maximum speed limits ranging from 100\u2013130 km\/h (60\u201380 mph).<\/li>\n\n\n\n
  • Safety concerns<\/strong>: Driving at 290 km\/h on public roads is dangerous due to reaction times, braking distances, and road conditions.<\/li>\n\n\n\n
  • Fuel efficiency<\/strong>: At such speeds, fuel consumption increases dramatically, making it inefficient.<\/li>\n<\/ul>\n\n\n\n

    Under What Circumstances Might This Be Reasonable?<\/strong><\/h4>\n\n\n\n

    There are some scenarios where 290 km\/h<\/strong> could be possible:<\/p>\n\n\n\n

      \n
    1. Supercars and Hypercars<\/strong> \u2013 High-performance cars like the Bugatti Chiron, Lamborghini Aventador, or Ferrari SF90<\/strong> can reach or exceed 290 km\/h.<\/li>\n\n\n\n
    2. Professional Racing<\/strong> \u2013 In motorsports, such as Formula 1 or NASCAR<\/strong>, cars frequently exceed this speed.<\/li>\n\n\n\n
    3. Autobahn (Germany)<\/strong> \u2013 Some sections of the German Autobahn have no speed limit<\/strong>, allowing high-performance vehicles to reach such speeds legally.<\/li>\n\n\n\n
    4. Test Track or Closed Circuit<\/strong> \u2013 Car manufacturers test high-speed vehicles on dedicated tracks under controlled conditions.<\/li>\n<\/ol>\n\n\n\n

      Conclusion<\/strong><\/h3>\n\n\n\n

      While 290 km\/h is not a reasonable speed for everyday driving<\/strong>, it is achievable under special conditions, such as with high-performance cars, professional racing, or on certain unrestricted roads.<\/p>\n","protected":false},"excerpt":{"rendered":"

      13 . Solving Problems Rewrite F=Bqv to find v in terms of F,q, and B. 14. Critical Thinking Using values given in a problem and the equation of distance = speed x time, you calculate a car’s speed to be 290 km\/h. Is this a reasonable answer? Why or why not? Under what circumstances might […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","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-5)","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-5)","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-5)","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":[25],"tags":[],"class_list":["post-187618","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/187618","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=187618"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/187618\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=187618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=187618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=187618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}