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An elephant produces a low-frequency sound at 22.1 Hz and with a wavelength of 272 m. How long will it take for this sound to

An elephant produces a low-frequency sound at 22.1 Hz and with a wavelength of 272 m. How long will it take for this sound to be detected by elephants that are 6.24 km away? a. 2.23 s b. 0.985 s c. 1.04 s d. 0.864 s

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