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A student on a piano stool is rotating freely with an angularspeed of 3.05 rev/s. the student holds a 1.50 kg mass in eachoutstretched arm, 0.759m from the axis of rotation. The combinedmoment of inertia of the student and the stool, ignoring the twomasses is 5.53 kg m^2, a value that remains constant.
A) As the student pulls his arms inward, his angular speedincreases to 3.69 rev/s. How far are the masses from the axis ofrotation?
B) What is the final and inital KE of the system?
q1. a person exerts a horizontal force of f 175 n in the test apparatus shown in the drawing. h 0.25 m. find the
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