Question

If the sound intensity level in a room with 35 persons inside = 63 dB, how...

If the sound intensity level in a room with 35 persons inside = 63 dB, how many persons should leave to decrease the sound intensity level to 57 dB (all people are talking with the same intensity level)

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

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 typical sound level for a buzzing mosquito is 35 dB, and that of a vacuum...
A typical sound level for a buzzing mosquito is 35 dB, and that of a vacuum cleaner is approximately 61 dB. Approximately how many buzzing mosquitoes will produce a sound intensity equal to that of a vacuum cleaner? _____ mosquitoes
In an empty examination hall, the sound intensity level is 35 dB. When 200 students write...
In an empty examination hall, the sound intensity level is 35 dB. When 200 students write an exam, the intensity level increases to 39.4 dB. What is the intensity level , in dB, produced by each student? Assume each student contributes an equal amount of acoustic power.
A) When one person shouts at a football game, the sound intensity level at the center...
A) When one person shouts at a football game, the sound intensity level at the center of the field is 60.1 dB. When all the people shout together, the intensity level increases to 90.0 dB. Assuming that each person generates the same sound intensity at the center of the field, how many people are at the game? B)A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1020 Hz. The bird-watcher, however, hears a frequency of...
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.
1) Consider a fixed sound of intensity level SIL1 = 70 dB and another (of different...
1) Consider a fixed sound of intensity level SIL1 = 70 dB and another (of different frequency) whose intensity level takes on a series of values SIL2 = 50, 60, 70, 80, 90 dB. The level of the combined sound in case is: ____, ____, ____ ____, ____ in dB.
The intensity level of an orchestra is 80 dB. A single violin achieves a level of...
The intensity level of an orchestra is 80 dB. A single violin achieves a level of 60 dB. How does the intensity of the sound of the full orchestra compare with that of the violin’s sound?
The intensity level of one sound is 5 dB above another one. The ratio of the...
The intensity level of one sound is 5 dB above another one. The ratio of the intensity of the first to the second is
Three sound sources in simultaneous operation combine to produce a noise intensity level of 73.3 dB...
Three sound sources in simultaneous operation combine to produce a noise intensity level of 73.3 dB at the ears of a listener. The source producing a 71.0 dB level and the source producing a 69.0 dB level are switched off. What is the sound intensity level at the listener’s ears due to the remaining source acting alone?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT