The speed of sound in steel is about 15 times greater than that in air. If the frequency of sound wave in steel is 20 kHz, then what is the wavelength ? (Speed of sound in air 344 m/s)
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Q: The noise a lawn mower produces is 80 dB. How much noise is from 12 identical lawn mowers?
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Q: A sound note emitted from certain source has a velocity of 300 m/s in air and 1050 m's in water. If…
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Q: A sound note emitted from certain source has a velocity of 300 m/s in air and 1050 m's in water. If…
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Q: he noise a lawn mower produces is 80 dB. How much noise is from 10 identical lawn mowers?
A: Given: The sound level of the lawnmower is 80 dB. The number of identical lawnmowers is 10.
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Q: A sound note emitted from certain source has a velocity of 300 m/s in air and 1050 m's in water. If…
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Q: The noise a lawn mower produces is 80 dB. How much noise is from 2 identical lawn mowers?
A: Given: β1=80 dB
Q: What frequency of sound traveling in air at 31°C has a wavelength of 0.34 m?
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Q: The speed of sound in steel is 15 times greater than that in air. If the frequency of a wave in the…
A: Speed of sound in air = 343 m/s Speed of sound in steel = 15 * 343 = 5145 m/s Frequency of wave =…
Q: The noise a lawn mower produces is 80 dB. How much noise is from 3 identical lawn mowers?
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Q: The frequency of first overtone of an open pipe is 300Hz, What is the fundamental frequency?
A: For an open pipe, frequency of nth overtone is,
Q: What is the speed of sound in air at a temperature of −110 °F?
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Q: A particular string instrument has a string with a length of 0.5 m. It has a fundamental frequency…
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Q: A sound note emitted from certain source has a velocity of 300 m/s in air and 1050 m's in water. If…
A: Velocity in air Va = 300 m/s Velocity in water Vw = 1050 m/s Wavelength in air λa = 1.5 m
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Q: You approach a stationary sound source with a speed such that the frequency of sound you hear is 13%…
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Q: The fundamental frequency of a closed pipe is 200Hz. What is the frequency of first overtone?
A: The fundamental frequency of a closed pipe,
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