dogs are able to hear much higher frequencies than humans are capable of detecting. for this reason, dog whistles that are inaudible to the human ear can be heard easily by a dog. if a dog whistle has a frequency of 3 hz, what is the wavelength of the sound emitted?
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Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)
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dogs are able to hear much higher frequencies than humans are capable of detecting. for this reason,...
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