document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=815438>Question 815438</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The force of a wind blowing perpendicularly onto a flat surface varies as the area of the surface and  the square of the velocity of the wind.When the wind is blowing 15 miles per hour the force on an area A is 24 pounds.What is the force on an area 2A when the wind is blowing 20 miles per hour? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #491016 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=491016\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The force of a wind blowing perpendicularly onto a flat surface varies as the area of the surface and  the square of the velocity of the wind.When the wind is blowing 15 miles per hour the force on an area A is 24 pounds.What is the force on an area 2A when the wind is blowing 20 miles per hour?<BR>\n" );
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document.write( "F = k*A*v^2<BR>\n" );
document.write( "24 = k*A*15^2<BR>\n" );
document.write( "k*A = 24/225 = 8/75<BR>\n" );
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document.write( "F = k*2A*20^2<BR>\n" );
document.write( "F = (8/75)*800<BR>\n" );
document.write( "F = 256/3 = 85.33 pounds<BR>\n" );
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