document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=766185>Question 766185</A>: <I><SPAN STYLE=\"word-break: break-all;\"> \"A car speeds up from 40km/h to 55km/h to overtake a truck. If tthis requires 15s, what is the acceleration and distance traveled by the car?\" HELP ME PLEASE<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #466723 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=466723\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "=====================================================================<BR>\n" );
document.write( "acceleration is measured in meters per second per second<BR>\n" );
document.write( "acceleration = change of velocity / time taken<BR>\n" );
document.write( "change in velocity is 55 - 40 = 15 kilometers per hour = 15 / 3600 = .004 km / sec = .004 km/sec * 1000 meters/km = 4 meters /sec/sec<BR>\n" );
document.write( "time taken is 15 seconds<BR>\n" );
document.write( "acceleration = 4 / 15 =  .27 meters per second / second<BR>\n" );
document.write( "=======================================================================<BR>\n" );
document.write( "distance traveled = initial velocity * time + (acceleration * time^2 / 2)<BR>\n" );
document.write( "distance traveled = 40 * 15 + (.27 * 15^2 / 2)<BR>\n" );
document.write( "note here convert 40 km /hr to 40/3600 = .01 km/sec and 1000 meters = 1km<BR>\n" );
document.write( "distance traveled = (10 meters per second * 15) +  30.38 = 180.38 meters<BR>\n" );
document.write( "==============================================================================\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );