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MBA, Ph.D in Management
Harvard university
Feb-1997 - Aug-2003
Professor
Strayer University
Jan-2007 - Present
The blades of a ceiling fan have a radius of 0.389 m and are rotating about a fixed axis with an angular velocity of +1.01 rad/s. When the switch on the fan is turned to a higher speed, the blades acquire an angular acceleration of +1.21 rad/s2. After 0.310 s have elapsed since the switch was reset, what is (a) the total acceleration (in m/s2) of a point on the tip of a blade and (b) the angle  between the total acceleration  and the centripetal acceleration
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