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You want to create a device that sends signals to your dog to stop barking. which type of electromagnetic wave would be most useful to investigate?
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Jun 8, 2017
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You want to create a device that sends signals to your dog to stop barking. which type of electromagnetic wave would be most useful to investigate?
Physics
high-school
Jason Irwin
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The answer is radio waves. Th other waves can't send signals to a dog. Its just not how they travel.
WeezHard
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Jun 13, 2017
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