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 counterciockwise above a lens at a constant speed of 1.40 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.) 60.86 rad/s (b) Find the required angular speed at the end of the recording, where the spiral has a radius of 5.25 cm. (Enter your answer to at least one decimal place.) 26.7 rad/s (c) A full-length recording lasts for 60 min, 33 s. Find the average angular acceleration of the disc. -0.01 X rad/s2 (d) Assuming that the acceleration is constant, find the total angular displacement of the disc as it plays. rad (e) Find the total length of the track. km
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 counterciockwise above a lens at a constant speed of 1.40 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.) 60.86 rad/s (b) Find the required angular speed at the end of the recording, where the spiral has a radius of 5.25 cm. (Enter your answer to at least one decimal place.) 26.7 rad/s (c) A full-length recording lasts for 60 min, 33 s. Find the average angular acceleration of the disc. -0.01 X rad/s2 (d) Assuming that the acceleration is constant, find the total angular displacement of the disc as it plays. rad (e) Find the total length of the track. km
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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