A wheel of radius 1.40 m and mass 35.0 kg is rolling on a
leveled ground without slipping. Its moment of inertia about the
axis through its center is 28.0 kg.m2. The wheel (i.e. its center
of mass) moves with a speed of 10.0 m/s. What is its rotational
kinetic energy? (Hint: using the rolling without slipping to find
the angular velocity first)