(Solution) - A disk of radius 12 cm initially at rest begins rotating -(2025 Original AI-Free Solution)

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Academic Level: Undergrad. (yrs 3-4)

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A disk of radius 12 cm, initially at rest, begins rotating about its axis with a constant angular acceleration of 8 rad/s2. At t = 5 s, what are
(a) The angular velocity of the disk, and
(b) The tangential acceleration at and the centripetal acceleration ac of a point on the edge of the disk?