A dog whistle has a frequency of (21 mathrm{kHz}), which is above the high end of the
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A dog whistle has a frequency of \(21 \mathrm{kHz}\), which is above the high end of the audible range for humans. At what minimum speed and in what direction must you travel in order to just hear the whistle?
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To just hear the whistle you need to account for the Doppler effect which occurs when there is relat...View the full answer
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