document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1005814>Question 1005814</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An airplane has an airspeed of 500 kilometers per hour (kn/h) bearing N45E. The wind velocity is 60 km/h in the direction N30W. Find the resultant representing the path of the plane relative to the ground. What is the groundspeed of the plane? What is its direction? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #622090 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=622090\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An airplane has an airspeed of 500 kilometers per hour (kn/h) bearing N45E. The wind velocity is 60 km/h in the direction N30W. Find the resultant representing the path of the plane relative to the ground. What is the groundspeed of the plane? What is its direction?<BR>\n" );
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document.write( "2 sides of the triangle are  a = 500 and b = 60.<BR>\n" );
document.write( "The included angle C is 75 degs (if the wind is moving TO N30W.  Wind direction is given in the direction it's from in aviation.)<BR>\n" );
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document.write( "The groundspeed is the 3rd side, side c.<BR>\n" );
document.write( "Use the Cosine Law to find it.<BR>\n" );
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document.write( "Then use the Law of Sines to find angle B.  Subtract angle B from 045 to find the ground track.<BR>\n" );
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