vduene4030 vduene4030

10-01-2024
Physics

Answered

A figure skater begins spinning counterclockwise at an angular speed of 4.5 π rad/s. During a 4.3 s interval, she slowly pulls her arms
inward and finally spins at 8.3 π rad/s.
What is her average angular acceleration
during this time interval?
Answer in units of rad/s
2
.

Answer :

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