A Wheel Rotates About a Fixed Axis with an Initial

question 80

Multiple Choice

A wheel rotates about a fixed axis with an initial angular velocity of 20 rad/s. During a 5.0-s interval the angular velocity decreases to 10 rad/s. Assume that the angular acceleration is constant during the 5.0-s interval. How many radians does the wheel turn through during the 5.0-s interval?

• A) 95 rad
• B) 85 rad
• C) 65 rad
• D) 75 rad
• E) 125 rad

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