A. Calculate the angular velocity and angular acceleration of a 2kg mass rotating in a horizontal circle of 2m radius if one revolution takes 4 seconds.
B. An object rotates in a 3m diameter circle with angular velocity of 3 rad/s. calculate the period anf frequency of rotation for the object.
C. calculates the centripetal force required to rotate a 3kg mass in a 6m diameter circle at 60 revolutions per minute.