Problem 10.9 Four objects, a, b, c, and d, have the initial angular velocities and angular accelerations given in the following table Initial angular Angular velocity (rad/s) acceleration (rad/s2) 4.6 2.2 3.6 15 16 -18 Part A Determine the angular velocity of object a after an elapsed time of 3.5 s. Express your answer to two significant figures and include appropriate units. Value Units Submit My Answers Give Up Part B Determine the angular velocity of object b after an elapsed time of 3.5 s Express your answer to two significant figures and include appropriate units.