Two Wheels with Identical Moments of Inertia Are Rotating About

question 3

Multiple Choice

Two wheels with identical moments of inertia are rotating about the same axle.The first is rotating clockwise at 2.0 rad/s,and the second is rotating counterclockwise at 6.0 rad/s.If the two wheels are brought into contact so that they rotate together,their final angular velocity will be

• A)2.0 rad/s,counterclockwise.
• B)3.0 rad/s,clockwise.
• C)4.0 rad/s,counterclockwise.
• D)5.0 rad/s,clockwise.
• E)6.0 rad/s,clockwise.

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