A wheel rotating about a fixed axis with a constant angular acceleration of 2.0 rad/s2 turns through 2.4 revolutions during a 2.0-s time interval. What is the angular velocity at the end of this time interval?
A. 9.5 rad/s
B. 9.7 rad/s
C. 9.3 rad/s
D. 9.1 rad/s
E. 8.8 rad/s
Answer: A
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