Question 333630
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=π^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?
:
I apologize for putting the wrong answer to this problem yesterday, here is the
solution for this problem
:
{{{8T^2=pi^2L}}} 
L = 10
{{{8T^2=pi^2(10)}}}
:
{{{8T^2=9.8696*10}}}
:
{{{8T^2=98.696}}}
divide both sides by 8
{{{T^2=98.696/8}}}
:
{{{T^2=12.337}}}
T = {{{sqrt(12.337)}}}
T = 3.5 seconds