"when reading a cd-rom disk 2.8 cm from its center the rotational speed is 726 rpm what is the rpm at 5.2cm

Hugh Jeffner asked Sep 27, 2022

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Hugh Jeffner asked Sep 27, 2022

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17 votes

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Answer:

726 rpm

Explanation:

The angular speed is not dependent upon the radius. The rotational speed is 726 rpm at any radius.

Sinal answered Oct 2, 2022

by Sinal

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