document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1003146>Question 1003146</A>: <I><SPAN STYLE=\"word-break: break-all;\"> As a truck brakes to a stop from 55mph,it covers the length of a football field (300ft) it takes the trucks 15 seconds to come to a stop. How many feet does the truck brake per second? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #619927 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=619927\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "As a truck brakes to a stop from 55mph,it covers the length of a football field (300ft) it takes the trucks 15 seconds to come to a stop. How many feet does the truck brake per second?\r<BR>\n" );
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document.write( "As a truck brakes to a stop from 55mph,it covers the length of a football field (300ft)=s\r<BR>\n" );
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document.write( " it takes the trucks 15 seconds to come to a stop.=t\r<BR>\n" );
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document.write( " 55mph = 80.67 ft/s\r<BR>\n" );
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document.write( "s= ut+1/2 at^2\r<BR>\n" );
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document.write( "300 = 80.67*15 +1/2 a (15)^2\r<BR>\n" );
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document.write( "300 - 80.67*15 = 1/2 a *225\r<BR>\n" );
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document.write( "-910.05 = 1/2 a * 225\r<BR>\n" );
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document.write( "2*-910.05/225 = a\r<BR>\n" );
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document.write( "a=-8.09\r<BR>\n" );
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document.write( "deceleration <BR>\n" );
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