document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1140658>Question 1140658</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An airplane is heading due north at 260 mph. a 16 mph window blows from the east. what is the ground speed and direction of the plane\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #761291 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=761291\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An airplane is heading due north at 260 mph. a 16 mph window blows from the east. what is the ground speed and direction of the plane.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "The wind is blowing 90 degrees from the heading, we can solve this using a right triangle. The hypotenuse (h) will be the effective speed and direction.<BR>\n" );
document.write( "h = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28260%5E2%2B16%5E2%29 ALIGN=MIDDLE  ALT=\"sqrt%28260%5E2%2B16%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "h = 260.5 mph is the ground speed<BR>\n" );
document.write( "find the angle (A) using the cosine<BR>\n" );
document.write( "cos(A) = 260/260.5<BR>\n" );
document.write( "A = 3.52 degrees west of north<BR>\n" );
document.write( ":\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );