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2. A plane is flying at Mach 3 through air that has a temperature of -36'C. 3. A tuning fork is vibrating at 500 Hz

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2. A plane is flying at Mach 3 through air that has a temperature of -36'C. 3. A tuning fork is vibrating at 500 Hz in room that has a temperature of 22"C. Calculate the wavelength of the sound. 4. Standing waves are produced in a string by two waves traveling in opposite directions at 6.0 m/s. The distance between the second and sixth node is 80 cm. Determine the wavelength and frequency of the original waves

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