At T = 0, a Wheel Rotating About a Fixed

question 58

Multiple Choice

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

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