A sound wave in water has an intensity of 1*10^-3 W/m^2. The density of water is...
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sound wave in water has an intensity of 1*10^-3 W/m^2. The density
of water is...
A sound wave has an intensity level of 123.5 dB in air. The density of air...
A sound wave has an intensity level of 123.5 dB in air. The density of air at 20.0°C is ρ = 1.20 kg/m3. The speed of sound in air at 20.0°C is v = 343 m/s What is the pressure amplitude of the wave? in N/m2
1. An experimenter wishes to generate in air a sound wave that has a displacement amplitude...
1. An experimenter wishes to generate in air a sound wave that has a displacement amplitude of 5.70 x 10-6 m. The pressure amplitude is to be limited to 0.850 Pa. What is the minimum wavelength the sound wave can have? (Take the equilibrium density of air to be p = 1.20 kg/m3 and assume the speed of sound in air is v = 343 m/s.) m 2. A sound wave in air has a pressure amplitude equal to 3.98...
A 85.0-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The...
A 85.0-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density of air at 20.0°C is 1.20 kg/m3. Speed of sound in air at 20.0°C is 343 m/s. What is the displacement amplitude of a 85.0-Hz sound wave?
A 72.0-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The...
A 72.0-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density of air at 20.0°C is 1.20 kg/m3. Speed of sound in air at 20.0°C is 343 m/s. What is the displacement amplitude of a 72.0-Hz sound wave? Answer in nm
A sound wave in air has a pressure amplitude equal to 4.04 ✕ 10-3 Pa. Calculate...
A sound wave in air has a pressure amplitude equal to 4.04 ✕ 10-3 Pa. Calculate the displacement amplitude of the wave at a frequency of 9.4 kHz. (Note: Use the following values, as needed. The equilibrium density of air is ρ = 1.20 kg/m3; the speed of sound in air is v = 343 m/s. Pressure variations ΔP are measured relative to atmospheric pressure, 1.013 105 Pa.)
A sound wave with intensity 2 × 10-3 W / m^2 is considered as moderately loud...
A sound wave with intensity 2 × 10-3 W / m^2 is considered as moderately loud to our ears. The drum inside our ear has a diameter of 6 mm. Show that the energy transferred to the drum of our ear if you hear the above sound wave for 60 seconds is E = 3.4 × 10-6 J. Consider the drum as a round surface.
An experimenter wishes to generate in air a sound wave that has a displacement amplitude of...
An experimenter wishes to generate in air a sound wave that has a displacement amplitude of 6.00 10-6 m. The pressure amplitude is to be limited to 0.870 Pa. What is the minimum wavelength the sound wave can have? (Take the equilibrium density of air to be ρ = 1.20 kg/m3 and assume the speed of sound in air is v = 343 m/s.) m
The faintest sound intensity that the human ear can detect at 1000 Hz is approximately 1-10-12...
The faintest sound intensity that the human ear can detect at 1000 Hz is approximately 1-10-12 W/m2. What is the maximum displacement amplitude, , in air corresponding to this intensity? (Assume a plane wave propagation). What is the maximum velocity, , in air corresponding to this intensity? What is the maximum change in the pressure amplitude, m in air corresponding to this intensity?
1. If a sound of frequency 1000 Hz has intensity level 30 dB, what would be...
1. If a sound of frequency 1000 Hz has intensity level 30 dB,
what would be the intensity level of sound frequency 50 Hz which
appears to have equal loudness? (Answer= 60 dB)
2. Intensity of 30 dB, 1000 Hz sound= (Answer= 1.000 x 10-9
W/m^2)
*3. What is intensity (in W/m^2) of the equal loudness 50 Hz
sound? (Answer is NOT 50.12 x 10^-12)
*4. What is the ratio of the pressure variation (in amplitude)
of the equal loudness...
Sound 1 has an intensity of 39.0 W/m². Sound 2 has an intensity level that is...
Sound 1 has an intensity of 39.0 W/m². Sound 2 has an intensity level that is 2.4 dB greater than the intensity level of sound 1. Part A What is the intensity of sound 2?
1. An experimenter wishes to generate in air a sound wave that has a displacement amplitude of 5.70 x 10-6 m. The pressure amplitude is to be limited to 0.850 Pa. What is the minimum wavelength the sound wave can have? (Take the equilibrium density of air to be p = 1.20 kg/m3 and assume the speed of sound in air is v = 343 m/s.) m 2. A sound wave in air has a pressure amplitude equal to 3.98...
The faintest sound intensity that the human ear can detect at 1000 Hz is approximately 1-10-12 W/m2. What is the maximum displacement amplitude, , in air corresponding to this intensity? (Assume a plane wave propagation). What is the maximum velocity, , in air corresponding to this intensity? What is the maximum change in the pressure amplitude, m in air corresponding to this intensity?
1. If a sound of frequency 1000 Hz has intensity level 30 dB,
what would be the intensity level of sound frequency 50 Hz which
appears to have equal loudness? (Answer= 60 dB)
2. Intensity of 30 dB, 1000 Hz sound= (Answer= 1.000 x 10-9
W/m^2)
*3. What is intensity (in W/m^2) of the equal loudness 50 Hz
sound? (Answer is NOT 50.12 x 10^-12)
*4. What is the ratio of the pressure variation (in amplitude)
of the equal loudness...
Sound 1 has an intensity of 39.0 W/m². Sound 2 has an intensity level that is 2.4 dB greater than the intensity level of sound 1. Part A What is the intensity of sound 2?
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