document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=384346>Question 384346</A>: <I><SPAN STYLE=\"word-break: break-all;\"> at a height of h meters, you can see V kilometers to the horizon. These numbers are related by the equation V = 3.5 sqrt h. A person can see 385 km to the horizon from an airplane window. How high is the airplane? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #272075 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=272075\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  at a height of h meters, you can see V kilometers to the horizon. These numbers are related by the equation V = 3.5 sqrt h. A person can see 385 km to the horizon from an airplane window. How high is the airplane?<BR>\n" );
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document.write( "V = 3.5*sqrt(h)<BR>\n" );
document.write( "385 = 3.5*sqrt(h)<BR>\n" );
document.write( "sqrt(h) = 110<BR>\n" );
document.write( "h = 110^2 = 12,100 meters<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );