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An electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude...

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Physics

An electric ceiling fan is rotating about a fixed axiswith an initial angular velocity magnitude of0.200 rev/s . The magnitude of the angular accelerationis 0.883 rev/s2 . Both the the angular velocity andangular accleration are directed counterclockwise. The electricceiling fan blades form a circle of diameter0.760 m .

A. Compute the fan's angular velocity magnitude aftertime 0.204 ss has passed.


Express your answer numerically in revolutions persecond.

B. Through how many revolutions has the blade turnedin the time interval 0.204 ss from Part A?

Express the number of revolutions numerically.

C. What is the tangential speed vtvt of apoint on the tip of the blade at time ttt =0.204 ss ?

Express your answer numerically in meters persecond.


D. Calculate the magnitude atat of the tangentialacceleration of a point on the tip of the blade attime ttt = 0.204 ss .

Express the acceleration numerically in meters persecond squared.


Answer & Explanation Solved by verified expert
3.7 Ratings (546 Votes)
Given Data Initial angular velocity 0 0200 revs Angular acceleration 0883 revs2 Time t 0204 s Diameter of the circle d 0760 m Radius    See Answer
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