# Suppose a 69-kg person stands at the edge of a 6.7-m diameter merry-go-round turntable that is mounted on frictionless bearings and has a moment of inertia of 1900 kg⋅m2 . The turntable is at rest initially, but when the person begins running at a speed of 4.5 m/s (with respect to the turntable) around its edge, the turntable begins to rotate in the opposite direction. Calculate the magnitude of the angular velocity of the turntable.

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Suppose a 69-kg person stands at the edge of a 6.7-m diameter merry-go-round turntable that is mounted on frictionless bearings and has a moment of inertia of 1900 kg⋅m2 . The turntable is at rest initially, but when the person begins running at a speed of 4.5 m/s (with respect to the turntable) around its edge, the turntable begins to rotate in the opposite direction.

Calculate the magnitude of the angular velocity of the turntable.

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Step 1

The expression from conservation...

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### Angular Motion 