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31-05-2020
Physics

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A wave of wavelength 0.3 m travels 900 m in 3.0 s. Calculate its frequency.

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31-05-2020

Answer: 1000 Hz

Explanation:

You can calculate frequency by dividing velocity by wavelength

Frequency = velocity/wavelength

Find velocity first.

900 m/3 s = 300 m/s

Plug values in to find frequency.

F = (300 m/s)/0.3 m

F = 1000 Hz

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