In the figure, a solid cylinder of radius 12 cm and mass 14 kg starts from rest and rolls without slipping a distance L=4.3 m down a roof that is inclined at angle 8-23" (a) What is the angular speed of the cylinder about its center as it leaves the roof? (b) The roof's edge is at height H-4.5 m. How far horizontally from the roof's edge does the cylinder hit the level ground? 1