A digital audio compact disc carries data along a continuous spiral track from the inner circumference of the disc to the outside edge. Each bit occupies 0.6 um of the track. A CD player turns the disc to carry the track counterclockwise above a lens at a constant speed of 1.35 m/s. (a) Find the required angular speed at the beginning of the recording where the spiral has a radius of 2.30 cm. (Enter your answer to at least one decimal place.) (b) Find the required angular speed at the end of the recording, where the spiral has a radius of 4.75 cm. (Enter your answer to at least one decimal place.) (c) A full-length recording lasts for 60 min, 33 s. Find the average angular acceleration of the disc. it plays. (d) ssuming that the acceleration is constant, find the total angular displacement of the disc (e) Find the total length of the track.
A digital audio compact disc carries data along a continuous spiral track from the inner circumference of the disc to the outside edge. Each bit occupies 0.6 um of the track. A CD player turns the disc to carry the track counterclockwise above a lens at a constant speed of 1.35 m/s. (a) Find the required angular speed at the beginning of the recording where the spiral has a radius of 2.30 cm. (Enter your answer to at least one decimal place.) (b) Find the required angular speed at the end of the recording, where the spiral has a radius of 4.75 cm. (Enter your answer to at least one decimal place.) (c) A full-length recording lasts for 60 min, 33 s. Find the average angular acceleration of the disc. it plays. (d) ssuming that the acceleration is constant, find the total angular displacement of the disc (e) Find the total length of the track.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotational Motion
Section: Chapter Questions
Problem 15P: A digital audio compact disc carries data, each bit of which occupies 0.6 m along a continuous...
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