Warmup: Two thin rods of length L are rotating with the same angular speed (in rad/s) about axes that pass perpendicularly through one end. Rod A is mass less but has a particle of mass 0.66 kg attached to its free end. Rod B has a mass of 0.66 kg, which is distributed uniformly along its length. The length of each rod is 0.75 m, and the angular speed is 4.2 rad/s Find the kinetic energies of rod A with its attached particle and of rod B.