Question

A concert loudspeaker suspended high off the ground emits 31 W of sound power. A small...

A concert loudspeaker suspended high off the ground emits 31 W of sound power. A small microphone with a 1.0 cm2cm2 area is 40 mm from the speaker.

PART A:What is the sound intensity at the position of the microphone?

PART B: What is the sound intensity level at the position of the microphone?

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

I have solved the problem by taking 2 different distances

1 is provided in the question

2.I have solved by taking distance as 40m because there might be typing mistake in question 40mm..

so please check both solution and check ur question...take the answer for ur question between these..

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A concert loudspeaker suspended high off the ground emits 34 W of sound power. A small...
A concert loudspeaker suspended high off the ground emits 34 W of sound power. A small microphone with a 1.0 cm2 area is 52 m from the speaker. Part A What is the sound intensity at the position of the microphone? Part B What is the sound intensity level at the position of the microphone?
A concert loudspeaker suspended high off the ground emits 26.0 W of sound power. A small...
A concert loudspeaker suspended high off the ground emits 26.0 W of sound power. A small microphone with a 1.00 cm2 area is 55.0 m from the speaker. a What is the sound intensity at the position of the microphone? b How much sound energy impinges on the microphone each second?
An outside loudspeaker (considered a small source) emits sound waves with a power output of 117...
An outside loudspeaker (considered a small source) emits sound waves with a power output of 117 W. (a) Find the intensity 11.0 m from the source. W/m2 (b) Find the intensity level in decibels at that distance. dB (c) At what distance would you experience the sound at the threshold of pain, 120 dB? m
An electronic point source emits sound isotropically at a frequency of 3 × 103 Hz and...
An electronic point source emits sound isotropically at a frequency of 3 × 103 Hz and a power of 34 watts. A small microphone has an area of 0.72 cm2 and is located 198 meters from the point source. 1) What is the sound intensity at the microphone ? I = 2) What is the power intercepted by the microphone? Pin = 3) How many minutes will it take for the microphone to recieve 0.2 Joules from this sound? ΔT...
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 29 watts. A small microphone has an area of 0.72 cm2 and is located 150 meters from the point source. 1) What is the sound intensity at the microphone ? I = 2) What is the power intercepted by the microphone? Pin = 3) How many minutes will it take for the microphone to recieve 0.2 Joules from this sound? ΔT...
An electronic point source emits sound isotropically at a frequency of 3 × 103 Hz and...
An electronic point source emits sound isotropically at a frequency of 3 × 103 Hz and a power of 27 watts. A small microphone has an area of 0.78 cm2 and is located 184 meters from the point source. 1) What is the sound intensity at the microphone ? I = 2) What is the power intercepted by the microphone? Pin = 3) How many minutes will it take for the microphone to recieve 0.2 Joules from this sound? ΔT...
A loudspeaker has an output power of 85 WW and behaves like a point source emitting...
A loudspeaker has an output power of 85 WW and behaves like a point source emitting sound as a spherical wave. Part A - The intensity of sound, II, is defined by which of the following equations Part complete PP is the power of the source, and aa is the area the power is spread over. I=aPI=aP I=PaI=Pa I=PaI=Pa SubmitPrevious Answers Correct Part B - How far fromt he speaker would you need to stand (under ideal circumstances) for the...
ONLY ANSWER IF YOU KNOW THE ANSWER TO ALL QUESTIONS !!! OTHERWISE I WILL GIVE A...
ONLY ANSWER IF YOU KNOW THE ANSWER TO ALL QUESTIONS !!! OTHERWISE I WILL GIVE A THUMBS DOWN!!! PLEASE INCLUDE UNITS WHEN ANSWERING!!! THANK YOU 1.Suppose that a public address system emits sound uniformly in all directions and that there are no reflections. The intensity at a location 27 m away from the sound source is 3.0 × 10-4 W/m2. What is the intensity at a spot that is 74 m away? 2. A loudspeaker has a circular opening with...
What tools could AA leaders have used to increase their awareness of internal and external issues?...
What tools could AA leaders have used to increase their awareness of internal and external issues? ???ALASKA AIRLINES: NAVIGATING CHANGE In the autumn of 2007, Alaska Airlines executives adjourned at the end of a long and stressful day in the midst of a multi-day strategic planning session. Most headed outside to relax, unwind and enjoy a bonfire on the shore of Semiahmoo Spit, outside the meeting venue in Blaine, a seaport town in northwest Washington state. Meanwhile, several members of...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT