Problem 11.58 Part B A student on a piano stool rotates freely with an angular speed of Calculate the initial kinetic energy of the system. 3.05 rev/s . The student holds a 1.05 kg mass in each outstretched arm, 0.769 m from the axis of rotation. The combined moment of inertia of the student and the stool, ignoring AED 6 0 0 5 ? the two masses, is 5.43 kg . m , a value that remains constant. Ki Submit Request Answer Part C Calculate the final kinetic energy of the system. VO AEQ Submit Request