An optical disc has a spiral track that starts 2.7 cm from the center of the disc
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Question:
An optical disc has a spiral track that starts 2.7 cm from the center of the disc and ends 5.5 cm from the center. The disc drive must turn the disc so that the linear velocity of the track is a constant 1.4 m/s. Find the following:
- a. the angular velocity of the disc (in rad/s and rev/min) for the start of the track
- b. the disc's angular velocity at the end of the track
- c. the disc's angular acceleration if the disc is played for 76 min.
Related Book For
College Physics
ISBN: 978-0495113690
7th Edition
Authors: Raymond A. Serway, Jerry S. Faughn, Chris Vuille, Charles A. Bennett
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