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Turntable Angular Momentum Ratio

APPH12-X8QHUX

Consider a turntable (similar to a playground merry-go-round) rotating at a constant angular velocity. Assume the mass is uniformly spread through the disk of the turntable. As the turntable rotates it starts to snow. The snow spreads evenly across the disk of the turntable.

By what factor does the angular momentum of the snow-turntable system change when the snow mass accumulated on the turntable is three times that of the mass of the turntable?

A

$3$

B

$1/3$

C

$0$

D

$1$