A turbine blade rotates with angular velocity ω(t) = 2.00 rad/s- 2.1.00 rad/s3
. What is the angular acceleration of the blade at 
A) -38.2 rad/ 
B) -19.1 rad/ 
C) -86.0 rad/ 
D) -36.2 rad/ 
E) -172 rad/ 
Correct Answer:
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