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Physics, 26.05.2020 23:06 glander2

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Sound waves are traveling through the air. Every ½ second, the sound waves pass a detector. Which of the following choices correctly describes the period and frequency of these waves?

The period is 2 s, and the frequency is 2 Hz.
The frequency is ½ second, and the period is 2 Hz.
The period is ½ second and the frequency is ½ Hz.
The period is ½ second, and the frequency is 2 Hz.

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