Student Exploration: Energy of a Pendulum - Student...

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Student Exploration: Energy of a Pendulum Wocabula~: conservation of energy, gravitational potential energy, kinetic energy, pendulum, potential energy, velocity Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. A toy car is about to roll down a track, as shown below. At what point do you think the car will reach its greatest speed? 2. A pjijdjil(iri consists of a weight that is suspended from a pivot. At what point will the pendulum below move fastest? Mark this point on the image. Mark this point on the image. 3. What do these two situations have in common?
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1. On the DESCRIPTION pane, change the initial angle (8) to 40 degrees. Click Play ( ~does the p"locltj (speed and direction) of pendulum change as it swings from right to left? ).How the
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2. On the image at right, mark the point where the pendulum swings fastest with an X Then, circle the two points where the velocity is zero.
Activity A: Potential and kinetic energy Get the Gjzmo ready: • Click Reset ( .2,; ).

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