Question: A circular disk 30.0 cm in diameter is rotating at 275 rpm and then uniformly stops within 8.00 s. (a) Find its angular acceleration. (b)

A circular disk 30.0 cm in diameter is rotating at 275 rpm and then uniformly stops within 8.00 s.

(a) Find its angular acceleration.

(b) Find the initial linear speed of a point on its rim.

(c) How many revolutions does the disk make before it stops?


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