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1. Find the wavelength of the ultrasonic wave emitted by a bat if it has a frquency of 4.0x10^4Hz.
2. Radio station KSON in San Diego broadcasts at both 1240kHz(AM) and 97.3MHz(FM). a)Which of these signals, AM or FM, has the loner wavelength?
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Need help answering this question The ancient Egyptians used simple machines to build the pyramids. Discuss how you might use one or more of the simple machines to move the massive stone blocks up the growing pyramid, an ...
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Question: A student standing in a canyon yells "echo," and her voice produces a sound wave of frequency of f = 0.56 kHz. The echo takes t = 3.5s to return to the student. Assume the speed of sound through the atmosphere ...
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