A hoop of mass M and radius R rotates about an axle at the edge of the hoop.
The hoop starts at its highest position and is given a very small push to start it rotating. (Figure 1)
At its lowest position, what is the angular velocity?
Express your answer in terms of the given quantities and appropriate constants
At its lowest position, what is the speed of the lowest point on the hoop?
Express your answer in terms of the given quantities and appropriate constants.