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Physics Teacher

September 2009 Volume 47, Number 6

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Table of Contents

Number of articles: 2

  1. Another Way of Tracking Moving Objects Using Short Video Clips

    Francisco Vera & Cristian Romanque

    Physics teachers have long employed video clips to study moving objects in their classrooms and instructional labs. A number of approaches exist, both free and commercial, for tracking the... More

    pp. 370-373

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  2. Three-Phase and Six-Phase AC at the Lab Bench

    George M. Caplan

    Utility companies generate three-phase electric power, which consists of three sinusoidal voltages with phase angles of 0 degrees, 120 degrees, and 240 degrees. The ac generators described in most ... More

    pp. 380-384

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