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a new computer drive is proposed to have a disc, as shown in the figure below. The disc is to rotate at 10,000 rpm, and the readers head is to be positioned 0.0005 in above the surface of the disc. Estimate the shearing force on the readors head as a result of the air between the disc and the head. use Mair = 3.737 x 10¹ lb-s (US STANDARD ATM, air at sea level. 2 ft²

a new computer drive is proposed to have a disc, as shown in the figure below. The disc is to rotate at 10,000 rpm, and the readers head is to be positioned 0.0005 in above the surface of the disc. Estimate the shearing force on the readors head as a result of the air between the disc and the head. use Mair = 3.737 x 10¹ lb-s (US STANDARD ATM, air at sea level. 2 ft²

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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а is a new computer drive it proposed to have a disc, as shown in the figure below. The disc is to rotate at 10,000 rpm, and the reader's head is to be positioned 0.0005 in above the surface of the disc. Estimate the shearing force on the reader's head as a result of the air between the disc and the head. use Mair = 3.737 x 10 lb-s_ (US STANDARD ATM, air at 2 ft² sea level.
Transcribed Image Text:а is a new computer drive it proposed to have a disc, as shown in the figure below. The disc is to rotate at 10,000 rpm, and the reader's head is to be positioned 0.0005 in above the surface of the disc. Estimate the shearing force on the reader's head as a result of the air between the disc and the head. use Mair = 3.737 x 10 lb-s_ (US STANDARD ATM, air at 2 ft² sea level.
10,000 rpm + 2 in.- Stationary reader head Rotating disc 0.2-in.dia. 0.0005 in.
Transcribed Image Text:10,000 rpm + 2 in.- Stationary reader head Rotating disc 0.2-in.dia. 0.0005 in.
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