A 250g 490 cm diameter turntable rotates on frictionless, Ask an Expert

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A 250g , 49.0 cm diameter turntable rotates on frictionless bearings at 60.0 rpm. A 20.0g block sits at the center of the turntable. A compressed spring shoots the block radically outward along a frictionless groove in the surface of the turntable.

What is the turntable's rotation angular velocity when the block reaches the outer edge?

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Category:- Physics
Reference No.:- M9888553

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