document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=491601>Question 491601</A>: <I><SPAN STYLE=\"word-break: break-all;\"> From a 220 feet high lighthouse in the Bahamas island of Nassau, a person sees a ship on the horizon. Due to the curvature of earth, how far is the ship from the lighthouse? \r<BR>\n" );
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document.write( "•Use the formula: d = sqrt[3h/2], where d is the distance in nautical miles and h is the height in feet. <BR>\n" );
document.write( "Provide a similar example of when you were close to the beach, or elsewhere. Estimate how high above sea level you are and find how far the ship is from you.\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 #334755 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=334755\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> From a 220 feet high lighthouse in the Bahamas island of Nassau, a person sees a ship on the horizon.<BR>\n" );
document.write( " Due to the curvature of earth, how far is the ship from the lighthouse?<BR>\n" );
document.write( "•Use the formula: d = sqrt[3h/2], where d is the distance in nautical miles and h is the height in feet.<BR>\n" );
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document.write( "d = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28%283%2A220%29%2F2%29 ALIGN=MIDDLE  ALT=\"sqrt%28%283%2A220%29%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "d = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28660%2F2%29 ALIGN=MIDDLE  ALT=\"sqrt%28660%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "d = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28330%29 ALIGN=MIDDLE  ALT=\"sqrt%28330%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "d = 18.165 nautical miles<BR>\n" );
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document.write( "Provide a similar example of when you were close to the beach, or elsewhere.<BR>\n" );
document.write( " Estimate how high above sea level you are and find how far the ship is from you<BR>\n" );
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document.write( "You'll have to do this yourself, if you right at the water's edge and are average height, your eye level is about 5.5 ft, substitute this for h in the formula, to find the distance to an object on the horizon  </SPAN>\n" );
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