Standing Sound Waves: One of the harmonics of a column of air in a tube that is open at one end and closed at the other has a frequency of 448 Hz, and the next higher harmonic has a frequency of 576 Hz. What is the fundamental frequency of the air column in this tube?
A. 32 Hz
B. 64 Hz
C. 88 Hz
D. 128 Hz
E. 256 Hz
Answer: B
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Resistance and Resistivity: The length of a certain wire is doubled while its radius is kept constant. What is the new resistance of this wire?
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In a spectroscopic binary, if a pair shows a combined set of lines tonight, but a maximum split two nights later, its orbital period must be:
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When sound travels faster near the ground than above, bending of sound tends to be
A) upward. B) downward. C) to the left. D) to the right. E) none of the above