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A block is attached to an ideal spring as shown in the figure above. The block is initially at rest and is then is pulled $20\ cm$ to the right. After being released, the block slides back and forth in simple harmonic motion across the frictionless floor. The maximum speed the block reaches is $5\ m/s$.

Which additional information would allow the spring constant of the spring to be determined?

A

The period of oscillation would be sufficient additional information.

B

The mass of the block would be sufficient additional information.

C

Either the mass of the block or the period of oscillation would be sufficient information.

D

Both the mass of the block and the period of oscillation are required in addition to the given information.​

E

Nothing else is required. The spring constant can​ already be determined.

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