A skater spins about a fixed point on the ice. She begins with her arms extended and an initial angular velocity wo. She then pulls her arms in to her body. After her arms are pulled to her body, she spins with an angular velocity final ,wf . Throughout the time she is spinning, no external forces are acting in the horizontal plane. How do the magnitudes of the initial and final angular velocities compare? OA. Wo > Wf OB. WO = wf w0 < wf OE. ооо оо
A skater spins about a fixed point on the ice. She begins with her arms extended and an initial angular velocity wo. She then pulls her arms in to her body. After her arms are pulled to her body, she spins with an angular velocity final ,wf . Throughout the time she is spinning, no external forces are acting in the horizontal plane. How do the magnitudes of the initial and final angular velocities compare? OA. Wo > Wf OB. WO = wf w0 < wf OE. ооо оо
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter10: Fixed-axis Rotation
Section: Chapter Questions
Problem 38P: During a 6.0-s time interval, a fly-wheel with a constant angular acceleration turns through 500...
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