A small fan has blades that have a radius of 0.0600 m. When the fan is turned on, the tips of the blades have a tangential accel eration of 20.0 m/s2 as the fan comes up to speed. What is the angular acceleration α of the blades?
1 answer:
Answer:
α = 333 m/s^2
Explanation:
Radius = 0.0600m
Tangential acceleration (a) = 20.0m/s^2
Angular acceleration (α) = ???
Angular acceleration describes the motion of the entire object. The tangential acceleration describes the motion of a single point on the object. Tangential acceleration is proportional to the radius and the angular acceleration.
a = rα
α = a/r
α = 20/0.06
α = 333.33 m/s^2
α = 333m/s^2
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