The hard drive in a laptop computer or some MP3 players contains one or more platters (spinning

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The hard drive in a laptop computer or some MP3 players contains one or more platters (spinning disks), each having an angular speed of typically 10,000 rpm, a radius of 4.0 cm, and a mass of about 50 g.

(a) What is the kinetic energy of one platter?

(b) What is the angular momentum of one platter?

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College Physics Reasoning and Relationships

ISBN: 978-0840058195

2nd edition

Authors: Nicholas Giordano

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Question Posted: Jan 21, 2019 07:53 AM

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The hard drive in a laptop computer or some MP3 players contains one or more platters (spinning

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We can calculate the angular momentum and rotational kinetic energy of a disk from its moment of ine...View the full answer

College Physics Reasoning and Relationships

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