Question

The sound level 22 m from a loudspeaker is 68 dB. What is the rate at...

The sound level 22 m from a loudspeaker is 68 dB. What is the rate at which sound energy is produced by the loudspeaker, assuming it to be an isotropic source?

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

In the problem the rate at which sound energy produced means Power of loud speaker.This can be find using below formula.

.   

Power of Loud speaker, P=0.038 W

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
An organ pipe is 5.90 m long and is closed at one end. (The speed of...
An organ pipe is 5.90 m long and is closed at one end. (The speed of sound at T = 20.0°C is v = 343 m/s.) What is the second lowest standing wave frequency for the organ pipe? What is the third lowest standing wave frequency for the organ pipe? What is the fourth lowest standing wave frequency for the organ pipe? The sound level 23.2 m from a loudspeaker is 63.4 dB. What is the rate at which sound...
At a distance of 100 m from a construction site, the sound intensity level is 90...
At a distance of 100 m from a construction site, the sound intensity level is 90 dB.  Assume the sound produced from construction site is isotropic, at what distance in meters is the intensity level 122 dB?
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 outside loudspeaker (considered a small source) emits sound waves with a power output of 102...
An outside loudspeaker (considered a small source) emits sound waves with a power output of 102 W. (a) Find the intensity 11.5 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
14.5 When the volume knob is turned up, the sound level changes from 50 dB to...
14.5 When the volume knob is turned up, the sound level changes from 50 dB to 87 dB. What is the ratio of the intensities in W/m2 ? 14.6 If the sound intensity level in decibels at a location 42 m from a spherical source is 37 dB, what is the power output of the source?
The sound intensity level of 0 dB is defined as the threshold for hearing value of...
The sound intensity level of 0 dB is defined as the threshold for hearing value of I0 = 10-12 W/m2. a) What is the sound intensity (in W.m-2) for a sound level of 46 dB? b) The intensity of sound emitted from a point source decreases with the square of the distance according I2 = I1.(d1/d2)2. Given that the sound level intensity of 46 dB is obtained at a point d1 = 6.8 cm from a source, at what distance...
The sound level produced by one singer is 73.7 dB. What would be the sound level...
The sound level produced by one singer is 73.7 dB. What would be the sound level produced by a chorus of 36 such singers (all singing at the same intensity at approximately the same distance as the original singer)? Answer in units of dB.
The sound level produced by one singer is 83.7 dB. What would be the sound level...
The sound level produced by one singer is 83.7 dB. What would be the sound level produced by a chorus of 39 such singers (all singing at the same intensity at approximately the same distance as the original singer)? Answer in units of dB.
At a rock concert, a dB meter registered 135 dB when placed 2.2 m in front...
At a rock concert, a dB meter registered 135 dB when placed 2.2 m in front of a loudspeaker on the stage. 1) What was the power output of the speaker, assuming uniform spherical spreading of the sound and neglecting absorption in the air? 2) How far away would the sound level be a somewhat reasonable 85 dB?
1. At a distance of 15.0 m from a sound "point" source, the sound intensity level...
1. At a distance of 15.0 m from a sound "point" source, the sound intensity level is 65.0 dB. What is the power generated by this source? 2.A 4.0-g string is 0.36 m long and is under tension. The string vibrates at 500 Hz in its third harmonic. What is the tension in the string?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT