document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=808584>Question 808584</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Your help would be greatly appreciated.\r<BR>\n" );
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document.write( "Q1: Two cars left at 0800 from the same point, one travelling east at 50km/h and the other travelling south at 60km/h. At what time will they be 300km apart and using a diagram to show their starting point,respective positions when they are 300km apart, direction, motion and distance travelled.\r<BR>\n" );
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document.write( "Q2: The distance travelled by both cars after 4hrs from the time they started.\r<BR>\n" );
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document.write( "Thankyou<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 #487091 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=487091\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> one car 50 km/h<BR>\n" );
document.write( "car II 60 km/h\r<BR>\n" );
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document.write( "time they travel = t\r<BR>\n" );
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document.write( "car I distance = 50t<BR>\n" );
document.write( "car II = 60t\r<BR>\n" );
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document.write( "They are moving at right angles to each other\r<BR>\n" );
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document.write( "so at any given instant they form a right triangle with origin\r<BR>\n" );
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document.write( "50t & 60t are the legs and 300 is the hypotenuse\r<BR>\n" );
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document.write( "(50t)^2+(60t)^2=300^2\r<BR>\n" );
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document.write( "2500t^2+3600t^2= 90000\r<BR>\n" );
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document.write( "6100t^2= 90000\r<BR>\n" );
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document.write( "t^2= 90000/6100<BR>\n" );
document.write( "=3.84 hours\r<BR>\n" );
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document.write( "=3  50 minutes\r<BR>\n" );
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document.write( "at 11.50 am they will be 300 km apart </SPAN>\n" );
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