Wavelength of two sound waves in air 82 82 m. They produce are m 173 and 171 9 beats/second. Calculate the velocity of sound in air.
Q: 4. (Ch. 14 conditions with pressure 101 kN/m² and density 1.20 kg/m³. Exercise 27 in Wolfson) Find…
A: Pressure = 101 kNm2density of air (ρ) = 1.20 kgm3
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A: Given: The upper range of hearing: f=20,000 [Hz]=20,000 [s-1] Speed of sound: v=344 [m/s]…
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A: Given: time after which echo is heard, t = 2.0 s speed of sound wave, v = 346 m/s
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A: Given data as per question frequency =196Hz
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A: Given, the distance increases by a factor 4.3, let the initial distance be r1 and the new distance…
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A: Given: The time interval between seeing the lightning and hearing the thunder: ∆t = 2.90 s. The…
Q: is the wavelength of a sound wa ravels with a speed of 340m/s?
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A: Given data: A sound source New frequency (f') = 2f Speed of the sound source is constant.…
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Q: The speed of sound in air is 343 m/s, while the speed of sound in metal-x is 1570 m/s. If an…
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Q: A certain instant camera determines the dis- tance to the subject by sending out a sound wave and…
A: Given- Distance travelled by sound wave (d) = 7.39 m Speed of sound (V) = 343 m/s
Q: What sound level in dB is produced by earphones that create an intensity of 6.00 ✕ 10−2 W/m2?
A: Given Sound intensity I = 6.00 ✕ 10−2 W/m2 Loudness of sound in dB is defined as :- L = 10…
Q: - If a thunder is heard by a man 4 seconds after the lightning is seen, how far is the lightning…
A: We know that light travels at speed of light( which is very large). Thus, Lightning seen as early as…
Q: The intensity sound level in air is 61 dB. Calculate Pmax if the temperature is 20°C , the density…
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Q: The intensity of the sound from a certain leaf blower is measured at 25 × 10−2 W/m2. Find the…
A: The intensity of the sound is I = 25×10-2 W/m2
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A: Given, speed of the sound in sea water is VS=1550 m/s Frequency f=1900 Hz And Beat frequency ∆f= 8…
Q: A group of hikers hears an echo 4.00 s after shouting. How far away is the mountain that reflected…
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Q: A source of sound moving toward a stationary observer at 20 m/s. The frequency of the source of…
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Q: By what factor must the amplitude of a sound wave be decreased in order to decrease the intensity by…
A: Intensity of the sound wave is directly proportional to the square of the amplitude of sound wave
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Q: Q) The Doppler scale uses ultrasound to measure the rate at which blood is spent. Suppose that the…
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Q: Picnickers see a lightning flash and hear the resulting thunder 9.50 s later. If the storm is…
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Q: A particular sound wave can be modeled by the equation y=-3x sin 4x. Determine the amplitude and…
A: The equation of the sound wave is given by:y=−3xsin(4x)In this equation, sin(4x) represents a…
Q: The equation of a standing wave is y(x,t) = 0.8 cos(0.1rox) sin(200rt) where x and %3D y are in cm…
A: Given: The equation of standing wave is yx,t=0.8cos0.1πxsin200πt.
Q: he intensity sound level in air is 65 dB. Calculate Pmax if the temperature is 20 C, the density of…
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Q: A bat flying in a cave emits a sound and receives its echo 0.09 s later. Find the distance to the…
A: The objective of this question is to find the distance to the wall of the cave using the time taken…
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A: Intensity of a sound is inversely proportional to the square of the distance from the source.…
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A: Given data: Speed of sound in sea water, vs=1548 m/s Speed of air at 0 OC, vo=331 m/s Speed of air…
Q: 4. A bystander hears a siren vary in frequency from 594 Hz to 388 Hz as a fire truck approaches,…
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Q: Suppose you hear a clap of thunder 8.20 s after seeing the associated lightning strike. The speed of…
A: Given Data : The time difference between seeing the lightning thunder and hearing the soun d is…
Q: What frequency of sound traveling in air at 40 °C has a wavelength of 0.50 m?
A: We have given Wavelength λ= 0.50 m Temperature T = 40°c We know that Speedof sound in air at 40°c…
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