This Tic, Toc: Pendulum Motion lesson plan also includes:
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High schoolers record the horizontal position versus time for a swinging pendulum. They also determine the period of the pendulum motion and model the position data using a cosine function. Finally, students use a Motion Detector to plot the position versus time graph for a simple pendulum and the data to model the motion with the cosine function y = Acos(B(x - C)) + D to mimic the position versus time graph.