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A test tone used on a radio has a frequency of 969 Hz. What is the wavelength of this sound in air at normal room temperature (20 oC)? Record your answer to three decimal places.
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Question: A solid disk of mass m1 = 9.6 kg and radius R = 0.24 m is rotating with a constant angular velocity of ? = 30 rad/s. A thin rectangular rod with mass m2 = 3.4 kg and length L = 2R = 0.48 m begins at rest above ...
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