A 2.30 kg hoop 1.10 mm in diameter is rolling to the right without slipping on a horizontal floor at a steady 2.60 rad/s.

A. What is the total kinetic energy of the hoop? Express your answer with the appropriate units.

B. Find the magnitude of the velocity vector of each of the following points, as viewed by a person at rest on the ground: (i) the highest point on the hoop; (ii) the lowest point on the hoop, (iii) a point on the right side of the hoop, midway between the top and the bottom. Enter your answers in meters per second separated by commas.