The period of a pendulum is the time the pendulum takes to swing back and forth. The function L=0.81t^2 relates

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 forth. A convention center in portland, oregon has the longest pendulum in the US that is 90 feet long.


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