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Period of a Pendulum GIZMOS

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Student Exploration: Period of a Pendulum Vocabulary: controlled experiment, mean, pendulum, period Federalism, mode of political organization that unites separate states or other polities wit h ... in an overarching political system in a way that allows each to maintain its own integrity. Federal systems do this by requiring that basic policies be made and implemented through negotiation in some form, so that all the members can share in making and executing decisions. Prior Knowledge Questions (Do these BEFORE using the Gizmo.) A pendulum is a weight that can swing freely back and forth. The period of a pendulum is the amount of time required to make one full back-and-forth swing. In each of the comparisons below, circle the pendulum that you think will have a shorter period. Long pendulum vs. Short pendulum Heavy pendulum vs. Light pendulum Pendulum on Earth vs. Pendulum on Moon Pendulum with a large arc vs. Pendulum with a small arc Gizmo Warm-up The Period of a Pendulum Gizmo™ allows you to explore the factors that control how quickly a pendulum swings back and forth. To begin, practice measuring the period of the pendulum. On the Gizmo, check that all variables are set to their original values: m = 0.5 kg, L = 2.0 m, g = 9.8 m/s2, and θ = 20°. Open the Tools tab and drag an arrow so that it just touches the pendulum at its left-most position, as shown at right. 1. A full “swing” of the pendulum is one complete back-and-forth movement. Select the TABLE tab. Click Mark time each time the pendulum touches the arrow. Mark 10 times. What values do you get for the period of the pendulum? ___1.14___ ___1.56___ __2.03____ _2.90____ _3.16_____ __3.46____ __4.17____ __5.21____ __6.95____ __7.56____ [Show More]

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