1.The platter of a computer hard drive disk rotates at 5400 rpm (revolutions per minute). a.What is the angular velocity of the disk? |

Data Utilization
November 30, 2020
Assessment and Diagnosis "Under the Gun"
November 30, 2020

1.The platter of a computer hard drive disk rotates at 5400 rpm (revolutions per minute).a.What is the angular velocity of the disk?b.If the reading head of the drive is located 3.0 cm from the rotational axis, what is the speed of the disk below it?c.What is the linear acceleration of this point?d.If a single bit requires 5 µm of length along the motion direction, how many bits/second can the writing head write when it is 3.0 cm from the axis? Show all work and explanations.

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