A disk 8.10 cm in radius rotates at a constant rate of 1 250 rev/min about its central axis.

(a) Determine its angular speed. _______________ rad/s (b) Determine the tangential speed at a point 3.04 cm from its center. _______________ m/s (c) Determine the radial acceleration of a point on the rim. magnitude_____________ km/s² _______________

(d) Determine the total distance a point on the rim moves in 1.92 s. _______________ m