[wl-mTa gt A child rolls a hula hoop along the ground so that it rolls without slipping with an angular speed of 4.5 rad/s. The hula hoop has a radius of 15 inches (38.1 om)] and a mass of 0.45 kg. 1) What is the total kinetic energy of the hula hoop? (Express your answer to two significant figures.) Kiotal = J 2} What percent of the total kinetic energy of the hula hoop is rotational kinetic energy? [Express your answer as a percent to bwo significant figures.)