document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=620638>Question 620638</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Speed and Direction of a Ship. A ship's captain sets a course due north at 12 mph. The water is moving at 10 mph due west. What is the actual velocity of the ship, and in what direction is it travelling?\r<BR>\n" );
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document.write( "Round your answers to one decimal place.\r<BR>\n" );
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document.write( "The ship is travelling at approximately ? mph and the direction in which its travelling is approximately ? degrees west of due north. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #390313 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=390313\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Speed and Direction of a Ship. A ship's captain sets a course due north at 12 mph. The water is moving at 10 mph due west. What is the actual velocity of the ship, and in what direction is it travelling?<BR>\n" );
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document.write( "The speed = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%2812%5E2+%2B+10%5E2%29+=+sqrt%28244%29 ALIGN=MIDDLE  ALT=\"sqrt%2812%5E2+%2B+10%5E2%29+=+sqrt%28244%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi/hr<BR>\n" );
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document.write( "The angle wrt due North = atan(10/12) =~ 39.8 degs<BR>\n" );
document.write( "--> track of 320 degs </SPAN>\n" );
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