document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=883520>Question 883520</A>: <I><SPAN STYLE=\"word-break: break-all;\"> an aeroplane leaves an airport and flies due north at a speed of 1800 km/hr. at the same time, another plane leaves the same airport and flies due west at a speed of 1600 km/hr. how far apart will the two planes be after 2.5 hours? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #533587 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=533587\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> North bound plane speed = 1800 kmph<BR>\n" );
document.write( "in 2.5 hours it will have traveled 1800*2.5 = 4500 km\r<BR>\n" );
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document.write( "West bound plane speed = 1600 kmph<BR>\n" );
document.write( "in 2.5 hours it will have traveled 1600*2.5 = 4000 km\r<BR>\n" );
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document.write( "At any given time they form a right triangle with the starting point\r<BR>\n" );
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document.write( "Their distance =d \r<BR>\n" );
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document.write( "d^2= 4000^2+4500^2\r<BR>\n" );
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document.write( "d^2= 36250000\r<BR>\n" );
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document.write( "d=sqrt(36250000)\r<BR>\n" );
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document.write( "d= 6020.8 km </SPAN>\n" );
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