Homework Help: math

Posted by Debbie on Wednesday, March 18, 2009 at 6:49pm.

The period T (time in seconds for one completecycle) of a simple pendulum is related to the length L(in feet) of the pendulum by the formula8T^2=pi^2L. If achild is on a swing with a 10-foot chain, then how longdoes it take to complete one cycle of the swing?

math - bobpursley, Wednesday, March 18, 2009 at 7:18pm
solve for T

T= PI sqrt (L/8)

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