Retraction Use the following information to answer the next question: In a Michelson-type experiment, the path followed by a beam of light when the 8-sided mirror is at rest is as shown below. The detector indicates a maximum signal. As the 8-sided mirror begins to rotate, the beam of light no longer follows this path, and the detector indicates a decreased signal. Light source 8-sided rotating mirror Path of light beam Light detector 730.000 m 30.0 km Stationary mirror Note: This diagram is not drawn to scale. 6. Once the 8-sided mirror is rotating, the frequency of rotation for which the detector will first indicate a maximum signal is

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