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4. please help Use the following information to answer the next question 3.0 6.0 90 120 Distance (m) 4. If the speed of the wave

4. please help

Use the following information to answer the next question 3.0 6.0 90 120 Distance (m) 4. If the speed of the wave is 4.9 m/s, then what is the frequency of the wave? 0 0.54 Hz 0 1.6 Hz 0 0.41 Hz 0.82 HZ

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