An electronic point source emits sound isotropically at a frequency of 2 × 103 Hz and...
An electronic point source emits sound isotropically at a frequency of 2 × 103 Hz and a power of 27 watts. A small microphone has an area of 0.77 cm2 and is located 175 meters from the point source.
a: How many minutes will it take for the microphone to recieve 0.2 Joules from this sound?
b: What is the sound intensity level at the microphone from this point source?
c: What would be the sound intensity level at the microphone if the point source doubled its power output?
Homework Answers
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An electronic point source emits sound isotropically at
a frequency of 2 × 103 Hz and...
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A point source emits 86.9 W of sound isotropically. A small microphone intercepts the sound in an area of 0.231 cm2, 270 m from the source. Calculate (a) the sound intensity there and (b) the power intercepted by the microphone.
4 A point sound source emits a sinusoidal wave at a frequency of 2,000 Hz. The...
4 A point sound source emits a sinusoidal wave at a frequency of 2,000 Hz. The pOwer of the sound at the source is 10 watt. What are: the sound intensity, the sound intensity level and the loudness of that sound at (a) a distance of Im from the source? (b) at a distance of 2m from the source?
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2 parts thx :) 1. A point source emits sound waves isotropically. A sound meter measures a sound level of 51 dB at location C and a sound level of 48.47 at location D, a distance of 16 m from location C. The two locations C and D and the point source are all located along the same line. How far from location C is the point source? Give your answer in m, though enter only the numerical part in...
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Chapter 17, Problem 035 A po int source emits 79.3 w o sound isotropically. A small microphone intercepts the sound n an area o 0.122 ст 570 m rom ie source. Ca u ate a esu intensity there an e power tercepte the microphone. (a) Number (b) Number Units Units
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019: A source emits sound with a frequency of 1000 Hz. An observer is moving at...
019: A source emits sound with a frequency of 1000 Hz. An observer is moving at 160 m/s toward the source, which is stationary. The speed of sound is 340 m/s. The frequency heard by the observers is:
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5. A point source emits a sound with an average power output of 80.0w. a) What...
5. A point source emits a sound with an average power output of 80.0w. a) What is the intensity of the sound 3.00m away from the source? b) How far away from the source would you have to be to experience an intensity of 1.00x108 W/m2?
4 A point sound source emits a sinusoidal wave at a frequency of 2,000 Hz. The pOwer of the sound at the source is 10 watt. What are: the sound intensity, the sound intensity level and the loudness of that sound at (a) a distance of Im from the source? (b) at a distance of 2m from the source?
Chapter 17, Problem 035 A po int source emits 79.3 w o sound isotropically. A small microphone intercepts the sound n an area o 0.122 ст 570 m rom ie source. Ca u ate a esu intensity there an e power tercepte the microphone. (a) Number (b) Number Units Units
A point source emits sound waves with a power output of 100 watts. What is the sound level (in dB) at a distance of 10 m? 16-5
019: A source emits sound with a frequency of 1000 Hz. An observer is moving at 160 m/s toward the source, which is stationary. The speed of sound is 340 m/s. The frequency heard by the observers is:
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