A woman stands a distance d from a loud motor that emits sound uniformly in all directions. The sound intensity at her...
(a) the sound intensity in W/m2
(b) the sound intensity level relative to the threshold of hearing
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A woman stands a distance d from a loud motor that emits sound uniformly in all directions. The sound intensity at her...
A woman stands a distance d from a loud motor that emits sound uniformly in all...
A woman stands a distance d from a loud motor that emits sound uniformly in all directions. The sound intensity at her position is an uncomfortable 4.0×10-3 W/m2. At a distance 3.2 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?
A woman stands a distance d from a loud motor that emits sound uniformly in all...
A woman stands a distance d from a loud motor that emits sound uniformly in all directions. The sound intensity at her position is an uncomfortable 3.4×10-3 W/m2. At a distance 2.5 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?
x] Incorrect A woman stands a distance d from a loud motor that emits sound uniformly...
x] Incorrect A woman stands a distance d from a loud motor that emits sound uniformly in all directions. The sound intensity at her position is an uncomfortable 2.8x10-3 W/m2. At a distance 1.9 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing? .001 (a) Number Units X (b) Number Units
A source emits sound uniformly in all directions. There are no reflections of the sound. At...
A source emits sound uniformly in all directions. There are no reflections of the sound. At a distance of 12 m from the source, the intensity of the sound is 3.3 × 10-3 W/m2. What is the total sound power P emitted by the source?
Q2. A siren radiates sound uniformly in all directions. A person standing a distance L from...
Q2. A siren radiates sound uniformly in all directions. A person standing a distance L from the siren regsiters a sound intensity level of 115 dB but a person standing twice that distance registers an intensity of 109 dB. What is the ratio of the intensities at those points. What will the sound intensity level at a distance of 12 L be?
Suppose that a public-address system emits a 494 Hz sound uniformly in all directions. (a) If...
Suppose that a public-address system emits a 494 Hz sound uniformly in all directions. (a) If the air temperature is 25oC (sound travels at 346 m/s), what is the wavelength of this sound? (b) If the intensity at a location 22 m away from the sound source is 3x10-4 W/m2 , what is the power of the sound coming from the speaker?
Please answer both questions carefully (a) Determine the intensity of sound in W/m2 reaching a person...
Please answer both questions carefully
(a) Determine the intensity of sound in W/m2 reaching a person sitting at a distance of 5 m from a 200-W loud speaker. (b) The level of sound for threshold of hearing with intensity given by 1,-10x 10 given by 1,- 1.0x 10-12 W/m Wm is 0 decibel. Find the intensity of sound for a level of 50 decibels hi threshold of hearing.
A source emits sound uniformly in all directions. A radial line is drawn from this source....
A source emits sound uniformly in all directions. A radial line is drawn from this source. On this line, determine the radial positions of two points, 1.04 m apart, such that the intensity level at one point is 2.87 dB greater than that at the other. (a) What is the smaller radial position (in m)? (b) What is the larger radial position (in m)? Sound sourcei B2 (a) Number Units (b) Number Units
The sound from a trumpet radiates uniformly in all directions in air with a temperature of...
The sound from a trumpet radiates uniformly in all directions in air with a temperature of 20∘C. At a distance of 4.98 m from the trumpet the sound intensity level is 56.0 dB. The frequency is 586 Hz. Use 344 m/s for the speed of sound in air, 1.20 kg/m3 for the density of air, and 1.00×10−12 W/m2 for the reference intensity. a) What is the pressure amplitude at this distance? b) What is the displacement amplitude? Use 1.42×105 Pa...
The sound from a trumpet radiates uniformly in all directions in air with a temperature of...
The sound from a trumpet radiates uniformly in all directions in air with a temperature of 20∘C. At a distance of 4.90 m from the trumpet the sound intensity level is 49.0 dB . The frequency is 584 Hz . Part A What is the pressure amplitude at this distance? Use 344 m/s for the speed of sound in air, 1.20 kg/m3 for the density of air, and 1.00×10−12 W/m2 for the reference intensity. Part B What is the displacement...
x] Incorrect A woman stands a distance d from a loud motor that emits sound uniformly in all directions. The sound intensity at her position is an uncomfortable 2.8x10-3 W/m2. At a distance 1.9 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing? .001 (a) Number Units X (b) Number Units
Please answer both questions carefully
(a) Determine the intensity of sound in W/m2 reaching a person sitting at a distance of 5 m from a 200-W loud speaker. (b) The level of sound for threshold of hearing with intensity given by 1,-10x 10 given by 1,- 1.0x 10-12 W/m Wm is 0 decibel. Find the intensity of sound for a level of 50 decibels hi threshold of hearing.
A source emits sound uniformly in all directions. A radial line is drawn from this source. On this line, determine the radial positions of two points, 1.04 m apart, such that the intensity level at one point is 2.87 dB greater than that at the other. (a) What is the smaller radial position (in m)? (b) What is the larger radial position (in m)? Sound sourcei B2 (a) Number Units (b) Number Units
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