document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1004891>Question 1004891</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm having trouble with this question about vectors:<BR>\n" );
document.write( "A pilot wishes to fly from airport A to airport B. Airport B is located due west from airport A. The pilot's aircraft averages a speed of 160 mi/hr. If the pilot is flying in a wind which blows out of the north at speed of 40 mi/hr, then the pilot should head his plane in the direction of vector...? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #621272 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=621272\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A pilot wishes to fly from airport A to airport B. Airport B is located due west from airport A. The pilot's aircraft averages a speed of 160 mi/hr. If the pilot is flying in a wind which blows out of the north at speed of 40 mi/hr, then the pilot should head his plane in the direction of vector<BR>\n" );
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document.write( "Did you see my other answer?<BR>\n" );
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document.write( "The hypotenuse is 160.<BR>\n" );
document.write( "Side opposite = 40<BR>\n" );
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document.write( "The groundspeed = sqrt(160^2 - 40^2) = sqrt(24000) = 40sqrt(15)<BR>\n" );
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document.write( "In the x-y plane --> vector -40*sqrt(15)i + 40j </SPAN>\n" );
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