A disk 7.96 cm in radius rotates at a constant rate of 1 190 rev/min about its central axis. (a) Determine its angular speed. :1 rad/s (b) Determine the tangential speed at a point 3.02 cm from its center. :im/s (c) Determine the radial acceleration of a point on the rim. magnitude: km/s2 direction (d) Determine the total distance a point on the rim moves in 2.06 5. :im I\\JlJ A discus thrower accelerates a discus from rest to a speed of 24.9 m/s by whirling it through 1.28 rev. Assume the discus moves on the arc of a circle 0.99 m in radius. Adrian DennisMFPfE'eny Images 6) (a) Calculate the final angular speed of the discus. Ema/s (b) Determine the magnitude of the angular acceleration of the discus, assuming it to be constant. Em (c) Calculate the time interval required for the discus to accelerate from rest to 24.9 m/s. :is