5. When a fan is turned off. its anonlar sneed decreases from 15 rad/s to 6.7...

Question

Question

Answer 1

Answer #1

Angular acceleration = change in angular speed / time taken

Change in angular speed = 15-6.7 rad/s = 8.3 rad/s

Angular Acceleration = ( 8.3 rad/s ) ÷ 5 sec = 1.65 rad / s^2

Answer 2

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