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Multiple-Concept Example 7 explores the approach taken in problems such as this one. The blades of...

Multiple-Concept Example 7 explores the approach taken in problems such as this one. The blades of a ceiling fan have a radius of 0.343 m and are rotating about a fixed axis with an angular velocity of +1.67 rad/s. When the switch on the fan is turned to a higher speed, the blades acquire an angular acceleration of +1.38 rad/s2. After 0.443 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  (See Figure 8.13b)?

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