This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A point source emits sound waves with a power output of 100 watts. What is the sound level (in dB) ... (Read 75 times)

awywial

  • Hero Member
  • *****
  • Posts: 577
on: Jul 28, 2018
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?
 a. 139
  b. 119
  c. 129
  d. 109
  e. 10

Question 2

A point source emits sound with a power output of 100 watts. What is the intensity (in W/m2) at a distance of 10.0 m from the source?
 a. 7.96  102
  b. 7.96  101
  c. 7.96  100
  d. 7.96  101
  e. 7.96  103


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Eunice618

  • Sr. Member
  • ****
  • Posts: 350
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

a


awywial

  • Hero Member
  • *****
  • Posts: 577
Reply #2 on: Jul 28, 2018
TY


Eunice618

  • Sr. Member
  • ****
  • Posts: 350
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Nuclear division at the DNA level Nuclear division at the DNA level
Waves in Deep and Shallow Water Waves in Deep and Shallow Water
A mound of buffalo skulls. In 1870 an estimated 30 million buffalo roamed the plains; by 1900 there A mound of buffalo skulls. In 1870 an estimated 30 million buffalo roamed the plains; by 1900 there
Upper-Level Maps Upper-Level Maps
Major marma point locations. Major marma point locations.
Sea-Level Pressure Sea-Level Pressure
Video: Ear Animation

For a complete list of videos, visit our video library