If the net external torque on a figure skater is zero, her initial angular speed measured about some vertical axis is 58

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answerhappygod
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If the net external torque on a figure skater is zero, her initial angular speed measured about some vertical axis is 58

Post by answerhappygod »

If the net external torque on a figure skater is zero, her
initial angular speed measured about some vertical axis
is 58.0 rad/s, and she pulls her arms in decreasing her
rotational inertia about the same axis by 50%, then what would be
her final angular speed, measured about the same axis?
0.00 rad/s
116 rad/s
58.0 rad/s
29.0 rad/s
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