document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1186506>Question 1186506</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The force of the wind on a sail varies jointly as the area of the sail and the square of the wind velocity. On a sail of area 50 sq. yd, the force of a 15 mph wind is 45 pounds. Find the force on the sail if the wind increases by 30 mph. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #817424 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39629)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=817424\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> F, the force<BR>\n" );
document.write( "a, the sail area<BR>\n" );
document.write( "v, the wind velocity<BR>\n" );
document.write( "k, variation constant\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "First sentence is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=F=kav%5E2 ALIGN=MIDDLE  ALT=\"F=kav%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The second sentence lets you get the value for k.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=45%2F%2850%2A15%5E2%29 ALIGN=MIDDLE  ALT=\"k=45%2F%2850%2A15%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=0.004 ALIGN=MIDDLE  ALT=\"k=0.004\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The formula becomes <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=F=0.004%2Aa%2Av%5E2 ALIGN=MIDDLE  ALT=\"F=0.004%2Aa%2Av%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( ".\r<BR>\n" );
document.write( "\n" );
document.write( ". </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );