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Two coins are sitting on a horizontal disk, which is rotating at a constant speed.

One coin is a penny located halfway between the center of the disk and the edge. The other coin is a dime located at the edge of the disk.

How does the magnitude of the dime's acceleration compare to the magnitude of the penny's acceleration?

A

The magnitude of the acceleration of the dime is the same as the magnitude of the acceleration of the penny.

B

The magnitude of the acceleration of the dime is twice the magnitude of the acceleration of the penny.

C

The magnitude of the acceleration of the dime is half the magnitude of the acceleration of the penny.

D

The magnitude of the acceleration of the dime is four times the magnitude of the acceleration of the penny.

E

The magnitude of the acceleration of the dime is one-fourth the magnitude of the acceleration of the penny.

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