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

Author Question: Calculate the displacement amplitude (in m) of a 20 kHz sound wave in helium if it has a pressure ... (Read 58 times)

jake

  • Hero Member
  • *****
  • Posts: 538
on: Jul 28, 2018
Calculate the displacement amplitude (in m) of a 20 kHz sound wave in helium if it has a pressure amplitude of 8.0  103 N/m2 . ( = 0.179 kg/m3, v = 972 m/s.)
 a. 2.9  1010
  b. 3.7  1010
  c. 7.8  109
  d. 2.4  109
  e. 1.9  1010

Question 2

Calculate the pressure amplitude (in N/m2) of a 500 Hz sound wave in helium if the displacement amplitude is equal to 5.0  108 m. ( = 0.179 kg/m3, v = 972 m/s.)
 a. 3.5  102
  b. 1.6  102
  c. 2.7  102
  d. 4.2  102
  e. 2.0  102


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

olderstudent

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

c


jake

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jul 28, 2018
Thank you!


olderstudent

  • Sr. Member
  • ****
  • Posts: 339
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Blood Pressure Chart Blood Pressure Chart
stage II pressure ulcer stage II pressure ulcer
Oil pressure relief valves are spring loaded. The stronger the spring tension, the higher the oil ... Oil pressure relief valves are spring loaded. The stronger the spring tension, the higher the oil ...
Endangerment sites of the head and face. Use only light to moderate pressure on head and face. Endangerment sites of the head and face. Use only light to moderate pressure on head and face.
How to calculate monthly payments at varying amortization periods (Question 3) How to calculate monthly payments at varying amortization periods (Question 3)
Front Panel on Sound Box of the Great Lyre with Bull’s Head Front Panel on Sound Box of the Great Lyre with Bull’s Head
Video: Blood Test Basics

For a complete list of videos, visit our video library