12. Rotational Kinematics
Equations of Rotational Motion
Problem 9b
Textbook Question
Textbook QuestionAn electric fan is turned off, and its angular velocity decreases uniformly from 500 rev/min to 200 rev/min in 4.00 s. (b) How many more seconds are required for the fan to come to rest if the angular acceleration remains constant at the value calculated in part (a)?
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