To apply the principle of superposition to overlapping waves, you should _____ of the individual waves.
A) add the wavelengths
B) multiply the frequencies
C) add the vector displacements
D) add the frequencies
Sound travels at a speed of 344 m/s through air at 20°C. What is the second harmonic of an open pipe of length 1.40 m filled with air at 20°C?
123 Hz
246 Hz
492 Hz
377 Hz
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