document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=851387>Question 851387</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane is headed at 270° at a speed of 450MPH. But there is 50MPH wind coming from a bearing of 170°. \r<BR>\n" );
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document.write( "a. What is the actual speed of the plane?<BR>\n" );
document.write( "b. What is the bearing of the plane's flight?\r<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 #512803 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=512803\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A plane is headed at 270° at a speed of 450MPH. But there is 50MPH wind coming from a bearing of 170°.<BR>\n" );
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document.write( "x-coordinate: 450cos(270)+50*cos(170) = 450*0-49.24 = -49.24<BR>\n" );
document.write( "y-coordinate: 450sin(270)+50sin(170) = -450+8.68 = -441.32<BR>\n" );
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document.write( "a. What is the actual speed of the plane?<BR>\n" );
document.write( "speed = sqrt[49.24^2 + 441.32) = 444.056 mph<BR>\n" );
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document.write( "b. What is the bearing of the plane's flight?<BR>\n" );
document.write( "bearing = arctan(441.32/49.24) = 83.62+180 = 263.62 degrees<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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