document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1043187>Question 1043187</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A train start from rest from a station and travels with uniform acceleration 0.5ms^-2 for 20s it travelswithwwith uniform velocity for 30s d brakes are then applied so that a uniform retardation is obtained and the train comes to rest in a further 10s sketch the velocity time graph of the motion using your graph calculate the total distance traveled by the train  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #658393 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=658393\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A train start from rest from a station and travels with uniform acceleration 0.5ms^-2 for 20s it travels with uniform velocity for 30s d brakes are then applied so that a uniform retardation is obtained and the train comes to rest in a further 10s sketch the velocity time graph of the motion using your graph calculate the total distance traveled by the train <BR>\n" );
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document.write( "vt graph, t = x-axis, v = y-axis<BR>\n" );
document.write( "Start at the Origin.<BR>\n" );
document.write( "The 1st part is y = 0.5x from x = 0 to x = 20<BR>\n" );
document.write( "The speed after 20 seconds = 0.5*20 = 10 m/sec<BR>\n" );
document.write( "The end-point is (20,10)<BR>\n" );
document.write( "s = at^2/2 --> distance = 200 meters<BR>\n" );
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document.write( "The 2nd part is y = 10 from x = 10 to x = 40<BR>\n" );
document.write( "--> end-point is (40,10)<BR>\n" );
document.write( "Total distance = 200 + 300 = 500 meters<BR>\n" );
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document.write( "The brakes change its speed from 10 m/sec to 0 in 10 seconds --> a = 1 m/sec/sec<BR>\n" );
document.write( "Its average speed for the 10 seconds is 5 m/sec<BR>\n" );
document.write( "s = 5*10 = 50 meters<BR>\n" );
document.write( "Total distance = 550 meters.<BR>\n" );
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document.write( "email via the TY note and I'll send the graph.<BR>\n" );
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