Item 16 Review | Constants Part A A uniform disk with mass 36.4 kg and radius 0.200 m is pivoted at its center about a horizontal, frictionless axle that is stationary. The disk is initially What is the magnitude v of the tangential velocity of a point on the rim of the disk after the disk at rest, and then a constant force 31.5 N is applied has turned through 0.270 revolution? tangent to the rim of the disk. Express your answer with the appropriate units. LO HA ? U = Value Units Submit Request AnswerPart B What is the magnitude a of the resultant acceleration of a point on the rim of the disk after the disk has turned through 0.270 revolution? Express your answer with the appropriate units. ? Value Units Submit Request AnswerItem 17 Review | Constants V Part A A string is wrapped around a uniform solid cylinder of radius r, as shown in (Figure 1). The cylinder can rotate freely about its axis. The loose end of the string is Find the magnitude o of the angular acceleration of the cylinder as the block descends. attached to a block. The block and cylinder each have Express your answer in terms of the cylinder's radius r and the magnitude of the free- mass m. fall acceleration g. View Available Hint(s) Figure Item 18 Item 19 19 of 29 Review | Constants Part A A bowling ball rolls without slipping up a ramp that slopes upward at an angle S to the horizontal. Treat the ball as a uniform, solid sphere, ignoring the What is the acceleration of the center of mass of the ball? finger holes. Express your answer in terms of the variable S and appropriate constants. VO AEd ? Submit Request AnswerPart B What minimum coefficient of static friction is needed to prevent slipping? Express your answer in terms of the variable / and appropriate constants. OA AEd Submit Request AnswerItem 20 Review | Constants Part A The engine of an aircraft propeller delivers an amount of power 172 hp to the propeller at a rotational velocity of 2410 rev/min. How much torque does the aircraft engine provide? Express your answer in newton-meters. AEd T = N . m Submit Request AnswerPart B How much work does the engine do in one revolution of the propeller? Express your answer in joules. DA AEd O W = Submit Request