Calculating Moments of Inertia (Problem 64)

While punting a football, a kicker rotates their leg about the hip joint. The moment of inertia of the leg is $3.75{\text{kg-m}}^2$ and its rotational kinetic energy is 175 J. (a) What is the angular velocity of the leg? (b) What is the velocity of tip of the punter’s shoe if it is 1.05 m from the hip joint? Select the answer to part (a).