document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=126320>Question 126320</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The period T (time in seconds for one complete cycle) of a simple pendulum is related to the length L (in feet) of the pendulum by the formula 8T^2=pi^2L.  If a child is on a swing with a 10 foot chain, then how long does it take to complete one cycle of the swing.   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #92530 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=92530\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Just plug in the given value for length and do the arithmetic.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8T%5E2=pi%5E2L ALIGN=MIDDLE  ALT=\"8T%5E2=pi%5E2L\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8T%5E2=10%2Api%5E2 ALIGN=MIDDLE  ALT=\"8T%5E2=10%2Api%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T%5E2=%2810%2F8%29%2Api%5E2 ALIGN=MIDDLE  ALT=\"T%5E2=%2810%2F8%29%2Api%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T=sqrt%28%2810%2F8%29%2Api%5E2%29 ALIGN=MIDDLE  ALT=\"T=sqrt%28%2810%2F8%29%2Api%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T=pi%2Asqrt%2810%2F8%29%29 ALIGN=MIDDLE  ALT=\"T=pi%2Asqrt%2810%2F8%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Rationalize the denominator:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T=pi%2A%28sqrt%2810%29%2Fsqrt%288%29%29%28sqrt%288%29%2Fsqrt%288%29%29=pi%2A%28sqrt%2880%29%2F8%29=%284%2Api%2Asqrt%285%29%29%2F8=red%28%28pi%2Asqrt%285%29%29%2F2%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Now you can use the calculator to find the approximate decimal value, or leave it alone for the exact answer </SPAN>\n" );
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