Question: A 2 5 0 g , 3 2 . 0 - cm - diameter turntable rotates on frictionless bearings at 7 0 . 0 rpm

250 g, 32.0 -

-

diameter turntable rotates on frictionless bearings at

70.0

rpm

.

21.0

g block sits at the center of the turntable. A compressed spring shoots the block radially outward along a frictionless groove in the surface of the turntable.

A 2 5 0 g , 3 2 . 0 - cm - diameter turntable

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