document.write( "Question 316669: 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? \n" ); document.write( "
Algebra.Com's Answer #226588 by checkley77(12844) ![]() You can put this solution on YOUR website! 8T^2=pi^2L \n" ); document.write( "8t^2=9.86*10 \n" ); document.write( "8t^2=98.6 \n" ); document.write( "t^2=98.6/8 \n" ); document.write( "t^2=12.345 \n" ); document.write( "t=sqrt12.345 \n" ); document.write( "t=3.51 seconds. \n" ); document.write( " |