A listener increases his distance from a sound source by a factor of 2.29. Assuming that...
A listener increases his distance from a sound source by a factor of 2.29. Assuming that the source emits sound uniformly in all directions, what is the change in the sound intensity level in dB?
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A listener increases his distance from a sound source by a
factor of 2.29. Assuming that...
A listener increases his distance from a sound source by a factor of 5.45. Assuming that the source emits sound uniforml...
A listener increases his distance from a sound source by a factor of 5.45. Assuming that the source emits sound uniformly in all directions, what is the change in the sound intensity level in dB?
how to solve it ? D42. If the distance from a source of sound increases by...
how to solve it ?
D42. If the distance from a source of sound increases by 1 meter, the sound level is decreased by 2 dB. Assume the loudspeaker that is emitting this sound emits sound in all directions. What is the original distance from the sound source? (Ans: 3.86 m)
A spherical source radiates sound uniformly in all directions. At a distance of 14 m, the...
A spherical source radiates sound uniformly in all directions. At a distance of 14 m, the sound intensity level is 90 dB. What power is radiated by this source?
A spherical source radiates sound uniformly in all directions. At a distance of 9 m, the...
A spherical source radiates sound uniformly in all directions. At a distance of 9 m, the sound intensity level is 100 dB. What power is radiated by this source?
At 3meters from a source that is emitting sound uniformly in all directions the sound level...
At 3meters from a source that is emitting sound uniformly in all directions the sound level is 53 db. What is the intensity of the sound at 3 meters
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
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?
A sound source in all directions with the same intensity. If at point A, which is...
A sound source in all directions with the same intensity. If at point A, which is 3.00 m from the source, the sound intensity level is 80.0 dB. At what distance from the source is point B, if the intensity level of the sound in it is 60.0 dB? determine the distance from the source to point B
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?
3. A trumpet creates a sound intensity level of 1.15*102 dB at a distance of 1.00...
3. A trumpet creates a sound intensity level of 1.15*102 dB at a distance of 1.00 m. I. What is the sound intensity of a trumpet at this distance? II. What is the sound intensity of five trumpets at this distance? III. Find the sound intensity of five trumpets at the location of the first row of an audience, 8.00 m away, assuming, for simplicity, the sound energy propagates uniformly in all directions. IV. Calculate the decibel level of the...
how to solve it ?
D42. If the distance from a source of sound increases by 1 meter, the sound level is decreased by 2 dB. Assume the loudspeaker that is emitting this sound emits sound in all directions. What is the original distance from the sound source? (Ans: 3.86 m)
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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