Rotational Kinematics Practice Problems (Answers on next page) 1. An airplane propeller, 1.20 m in length, is rotating at 2000 RPM. a) What is the angular velocity? b) How long does it take for the propeller to turn through an angle of 150 degrees? c) What is the tangential speed of the tip of the propeller? d) What linear distance does the tip cover in 1 second? 2. A rotating circular table starts from rest and rotates through an angle of 480 degrees in 2.0 seconds experiencing constant acceleration. What is the angular acceleration and what is the final angular velocity