Comments on: What is the speed of the automobile after 1.22 s have elapsed? http://www.cargearusa.com/blog/what-is-the-speed-of-the-automobile-after-122-s-have-elapsed/ Thu, 09 Feb 2012 17:50:24 +0000 http://wordpress.org/?v=2.7 hourly 1 By: knr http://www.cargearusa.com/blog/what-is-the-speed-of-the-automobile-after-122-s-have-elapsed/comment-page-1/#comment-9189 knr Sat, 27 Mar 2010 16:54:30 +0000 http://www.cargearusa.com/blog/what-is-the-speed-of-the-automobile-after-122-s-have-elapsed/#comment-9189 retardation of automobile due to brakes a = - uk g = - 0.65 x 9.8 = - 6.37 m/sec^2 so that its speed after a given time is V = u + a t = 13.3 - 6.7 x1.22 = 5.5 m/sec (nearly)<a href="http://www.prohomeschool.com/high-school-diploma-at-home.htm"> knr</a> retardation of automobile due to brakes a = - uk g = - 0.65 x 9.8 = - 6.37 m/sec^2

so that its speed after a given time is V = u + a t = 13.3 - 6.7 x1.22 = 5.5 m/sec (nearly) knr

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