At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration has an angular velocity of 2.0 rad/s. Two seconds later it has turned through 5.0 complete revolutions. What is the angular acceleration of this wheel?
A) 17 rad/s2
B) 14 rad/s2
C) 20 rad/s2
D) 23 rad/s2
E) 13 rad/s2
Correct Answer:
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