INSTRUCTION: From the words lettered A-D choose the appropriate answer A man hears his echo from a nearby hill 2 seconds after he shouteD. If the frequency of his voice is \(260 \mathrm{~Hz}\) and the wavelength is \(1.20 \mathrm{~cm}\). how far away is the hill?

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INSTRUCTION: From the words lettered A-D choose the appropriate answer A man hears his ...

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