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The outside diameter of the playing area of an optical Blu-ray disc is 11.75 cm, and...

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Physics

The outside diameter of the playing area of an optical Blu-raydisc is 11.75 cm, and the inside diameter is 4.50 cm. When viewingmovies, the disc rotates so that a laser maintains a constantlinear speed relative to the disc of 6.70 m/s as it tracks over theplaying area.

What is the average angular acceleration of a Blu-ray disc as itplays an 3.5-h set of movies? (Assume the disk is scannedstarting at its inner radius moving outward. Express your answer totwo significant figures.)

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In order to find the average angular    See Answer
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