document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1184685>Question 1184685</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A train moving at 12 m/s accelerates to 36 m/s over a distance of 8.0 km. <BR>\n" );
document.write( "(A) what is the train's acceleration? <BR>\n" );
document.write( "(B) how much time does it take the train to reach 36 m/s? <BR>\n" );
document.write( "(C) what is the average velocity of the train?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #815326 by </B><A HREF=/tutors/aboutme.mpl?userid=Edwin+McCravy><B>Edwin McCravy(20056)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Edwin+McCravy><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=Edwin+McCravy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=815326\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A train moving at 12 m/s accelerates to 36 m/s over a distance of 8.0 km. <BR>\n" );
document.write( "(A) what is the train's acceleration? <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
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document.write( "Change 8.0 km to 8000 m so we don't mix km's with m's\r\n" );
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document.write( "An acceleration of 0.072 m/s².</PRE><BR>\n" );
document.write( "(B) how much time does it take the train to reach 36 m/s?<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\"> \r\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%285%2C3%2C%0D%0A%0D%0Av%5BF%5D-v%5BO%5D%2C%22%22=%22%22%2Cat%2C%0D%0A36-12%2C%22%22=%22%22%2C%280.072%29t%2C%0D%0A24%2C%22%22=%22%22%2C0.072t%2C%0D%0A%2824%29%2F%280.072%29%2C%22%22=%22%22%2Ct%2C%0D%0A333.3%2C%22%22=%22%22%2Ct%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r\n" );
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document.write( "333.3... seconds, divide by 60, 5.556 minutes</PRE> <BR>\n" );
document.write( "(C) what is the average velocity of the train?<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%284%2C3%2C%0D%0A%0D%0Aa%5Bav%5D%2C%22%22=%22%22%2C%28v%5BF%5D%2Bv%5BO%5D%29%2F2%2C%0D%0Aa%5Bav%5D%2C%22%22=%22%22%2C%2836%2B12%29%2F2%2C%0D%0Aa%5Bav%5D%2C%22%22=%22%22%2C48%2F2%2C%0D%0Aa%5Bav%5D%2C%22%22=%22%22%2C24%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r\n" );
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document.write( "average speed = 24 m/s\r\n" );
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document.write( "Edwin</PRE> </SPAN>\n" );
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