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A figure skater begins spinning counterclockwise at an angular speed of 3.2 π rad/s. During a 4.5 s interval, she slowly pulls her arms inward and finally spins at 7.4 π rad/s. What is her average angular acceleration during this time interval? Answer in units of rad/s2.

Sagot :

brainstormer3

Answer:

Explanation:

.93 rad per secundo

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