Problem 4 Description: The m-kg cylinder rolls without slipping on the horizontal plane. (a) Determine the acceleration of its mass center. (b) Determine its angular acceleration. The 144−kg cylinder rolls without slipping on the horizontal plane. Part A Determine the acceleration of its mass center. Express your answer to three significant figures and include the appropriate units. Part B Determine its angular acceleration. Express your answer to three significant figures and include the appropriate units.