document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1112529>Question 1112529</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A girl is flying a kite in strong winds. She releases the string at a rate of 1 yard per minute (assume the string is straight). The kite remains 30 yards above the ground moving horizontally to the ground.\r<BR>\n" );
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document.write( "A) How fast is the kite moving horizontally away from the girl when there is 50 yards of string out? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #727631 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=727631\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A girl is flying a kite in strong winds. She releases the string at a rate of 1 yard per minute (assume the string is straight). The kite remains 30 yards above the ground moving horizontally to the ground.<BR>\n" );
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document.write( "A) How fast is the kite moving horizontally away from the girl when there is 50 yards of string out?<BR>\n" );
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document.write( "d = horizontal distance in yards<BR>\n" );
document.write( "h = 30<BR>\n" );
document.write( "s = length of string<BR>\n" );
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document.write( "s^2 = d^2 + 30^2<BR>\n" );
document.write( "2s*ds/dt = 2d*dd/dt<BR>\n" );
document.write( "50*1 = d*dd/dt<BR>\n" );
document.write( "d = 40 yards (3-4-5 triangle)<BR>\n" );
document.write( "50 = 40*dd/dt<BR>\n" );
document.write( "dd/dt = 1.25 yd/minute<BR>\n" );
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