document.write( "Question 161411: Can you please help with this word problem? Thanks\r
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\n" ); document.write( "\n" ); document.write( "The period T (time in seconds for one complete
\n" ); document.write( "cycle) of a simple pendulum is related to the length L
\n" ); document.write( "(in feet) of the pendulum by the formula 8T^2= pi^2L. If a
\n" ); document.write( "child is on a swing with a 10-foot chain, then how long
\n" ); document.write( "does it take to complete one cycle of the swing? \n" ); document.write( "
Algebra.Com's Answer #119029 by Alan3354(69443)\"\" \"About 
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The period T (time in seconds for one complete
\n" ); document.write( "cycle) of a simple pendulum is related to the length L
\n" ); document.write( "(in feet) of the pendulum by the formula 8T^2= pi^2L. If a
\n" ); document.write( "child is on a swing with a 10-foot chain, then how long
\n" ); document.write( "does it take to complete one cycle of the swing?
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\n" ); document.write( "8T^2= pi^2L
\n" ); document.write( "L = 10
\n" ); document.write( "8T^2= 10*pi^2
\n" ); document.write( "T^2 = 5pi^2/4 seconds
\n" ); document.write( "T^2 = 1.25PI^2
\n" ); document.write( "T^2 = 12.337
\n" ); document.write( "T = 3.512 seconds\r
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