document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=361881>Question 361881</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, I really need help with this question. Please help me! I would be really thankful \r<BR>\n" );
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document.write( "2. Two cars are moving in the same direction pass a point on the road at the same time. Car A is moving with a constant velocity of 15m/s. Car B has a velocity of 5m/s at that instant and is accelerating at the rate of 1m/s^2. \r<BR>\n" );
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document.write( "a) Useing the formula s=ut+1/2at^2 where s is the distance from the starting point in metres, u is the velocity initially, a is acceleration in m/s^2 and t is the time in seconds. write a relationship between s and t for car A and car B. \r<BR>\n" );
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document.write( "b) Sketch both functions on the same axes, placing s on the vertical and t on the horizontal. \r<BR>\n" );
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document.write( "c) calculate the value of t which satisfies both of these equations. \r<BR>\n" );
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document.write( "d) what does this value of t mean in relation to the position of the two cars relative to each other? \r<BR>\n" );
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document.write( "It would be great if you could figure these questions out for me and explain them. Thanks.\r<BR>\n" );
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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 #257946 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=257946\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two cars are moving in the same direction pass a point on the road at the same time. Car A is moving with a constant velocity of 15m/s. Car B has a velocity of 5m/s at that instant and is accelerating at the rate of 1m/s^2. \r<BR>\n" );
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document.write( "a) Useing the formula s=ut+1/2at^2 where s is the distance from the starting point in metres, u is the velocity initially, a is acceleration in m/s^2 and t is the time in seconds. write a relationship between s and t for car A and car B. \r<BR>\n" );
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document.write( "b) Sketch both functions on the same axes, placing s on the vertical and t on the horizontal. \r<BR>\n" );
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document.write( "c) calculate the value of t which satisfies both of these equations. \r<BR>\n" );
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document.write( "d) what does this value of t mean in relation to the position of the two cars relative to each other? \r<BR>\n" );
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document.write( "It would be great if you could figure these questions out for me and explain them. Thanks.\r<BR>\n" );
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document.write( "Car A it travels distance s1 . <BR>\n" );
document.write( "function = s1=ut+1/at^2<BR>\n" );
document.write( "s1=15t+0 (no acceleration)<BR>\n" );
document.write( "s1=15t<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Car B initial velocity = 5m/s<BR>\n" );
document.write( "s2=5t+1/2*1*t^2  ( a=1m/s)<BR>\n" );
document.write( "s2=5t+t^2/2<BR>\n" );
document.write( "..<BR>\n" );
document.write( "..<BR>\n" );
document.write( "15t=5t+t^2/2<BR>\n" );
document.write( "multiply by2<BR>\n" );
document.write( "30t=10t+t^2<BR>\n" );
document.write( "t^2+10t-30t=0<BR>\n" );
document.write( "t^2-20t=0<BR>\n" );
document.write( "t^2=20t<BR>\n" );
document.write( "t=20 the Car B overtakes car A at a distance of 300 miles.\r<BR>\n" );
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document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
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