An ice skater with moment of inertia 70.0 [kgm2] is spinning at 41.0 rpm.( Note: 1 rpm = 1 revolution per minute.) If the skater pulls in her arms, her moment of inertia decreases to 50.0 [kgm2]. What is the skater's resulting angular velocity? 4. A rolling object has angular momentum 85.0 [kgm2/s]. If its angular velocity is 2.76 [rad/s], what is its moment of inertia?

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