Calculate difference in loudness levels

Assignment Help Physics

Reference no: EM13975455

a) Find the frequency of the sound wave required to produce a loudness level of 12dB in the air, assuming a displacement amplitude of 1.1xth^-11m and the speed of sound to be 343 m/s.

b) Calculate the difference in loudness levels for two identical loudspeakers when one produces a sound intensity that is 3.42 times that of the other.

Reference no: EM13975455

Questions Cloud

What is the probability that an artificial heart functions : A certain type of artificial heart has four independent, critical components. Failure of any of these components is a serious problem. What is the probability that an artificial heart functions for 5 years

Decrease the level of personnel and equipment : Considering this probability, would it seem advisable for Howard to increase or to decrease the level of personnel and equipment he devotes to handling such calls?

Three of the recall-affected cars : What is the probability that exactly one of the recall-affected cars will be rented today? What is the probability that all three of the recall-affected cars will be rented today?

Consider the cournot duopoly model : (Cournot Duopoly Revisited) Consider the Cournot duopoly model where the (inverse) demand is P (Q) = a â€" Q. The two firms now have asymmetric marginal costs: c1 for firm 1 and c2 for firm 2.

Calculate difference in loudness levels : Find the frequency of the sound wave required to produce a loudness level of 12dB in the air, assuming a displacement amplitude of 1.1xth^-11m and the speed of sound to be 343 m/s.

In significant effor to help prevent a terrorist attack : In significant effor to help prevent a terrorist attack, administrators at a major airport install many video cameras and fingerprint scanners, so thst each would-be flyers has his/her image caught on camera (and processed by facial recognition softw..

Problem regarding the strong interpersonal skills : What is the probability that there will be at least one person with strong interpersonal skills among the group that is sent?

The ethical issues in making the decision to retain lithium : The ethical issues in making the decision to retain the lithium-ion batteries. At what level of management should such a decision be escalated?

Problem regarding the sampling error-nonsampling error : Researchers at a university with an enrollment of 12,000 take a census of the entire student population, asking, "Shoplifting is not only illegal, it raises the prices that we all have to pay. Have you ever shoplifted from the university bookstore..

User Account

All Pages