# Pendulum Word Problem

## L. Barnes, Word Problem, Kirkland and 10-16-13

The period of a pendulum is the time the pendulum takes to swing back and forth. The function L= 0.81t^2 relates the length L in feet of a pendulum to the time t in seconds that it takes to swing back and fourth. A convention center has a pendulum that is 120 feet long. Find the period