In the figure, a solid cylinder of radius 23 cm and mass 19 kg starts from rest and rolls without slipping a distance L = 4.5 m down a roof that is inclined at angle θ = 22∘. (a) What is the angular speed of the cyllinder about its center as it leaves the roof? (b) The roof's edge is at height H = 3.8 m. How far horizontally from the roof's edge does the cylinder hit the level ground? (a) Number Units (b) Number Units