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A 41.4-cm diameter disk rotates with a constant angular acceleration of 2.30 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis at this time.

(a) Find the angular speed of the wheel at t = 2.30 s. 1.1 rad/s

(b) Find the linear velocity and tangential acceleration of P at t = 2.30 s. linear velocity 1.1m/s tangential acceleration .476 m/s^2

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