Question

002 10.0 points A figure skater begins spinning counterclock wise at an angular speed of 3.6 π rad/s. Dur- ing a 5.0 s interval, she slowly pulls her arms inward and finally spins at 8.0 π rad/s. What is her average angular acceleration during this time interval? Answer in units of rad/s.
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Her average angular acceleration is given by

wf-8.0π rad/s (her angular speed after 5.0 s interval) Wi-3.6π rad/s (her initial angular speed) At-he time interval 0.5 s 8.

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