A 68 kg person rides at a speed of 7.2 m/s on a bicycle that hasa mass of 8.1 kg. Each wheel is a hoop of radius 0.33 m and mass 1.4 kg (the mass of the wheels is included in the mass of the bicycle, and I= MR2for a hoop). (a)(2 points) At what angular speed are the wheels rotating? (b)(6 points) What is the total kinetic energy of the bicycle and rider? (c)(2 points) Assuming any friction is negligeable, if the cyclist coasts up a ramp (with an initial speed of 7.2 m/s), what vertical distance will the center of mass of the bicycle-rider system rise before the bike comes to rest?