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 166 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?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Results from sequential study of two cohorts tested at three ages and at three different points in t Results from sequential study of two cohorts tested at three ages and at three different points in t
The physician uses percussion—tapping—to detect sound or vibration. The physician uses percussion—tapping—to detect sound or vibration.
A typical output driver. In this case, the PCM applies voltage to the fuel pump relay coil to ... A typical output driver. In this case, the PCM applies voltage to the fuel pump relay coil to ...
Cylinder Power Balance Test Cylinder Power Balance Test
Consider a two-period economy with no investment opportunities: first and second period output ... Consider a two-period economy with no investment opportunities: first and second period output ...
Fire power Mario Fire power Mario
Video: Neurosynapse Animation

For a complete list of videos, visit our video library