This topic contains a solution. Click here to go to the answer

Author Question: An increase of 20 dB increases the sound intensity by a factor of a. 10. b. 200. c. 100. d. ... (Read 70 times)

sjones

  • Hero Member
  • *****
  • Posts: 520
An increase of 20 dB increases the sound intensity by a factor of
 a. 10.
  b. 200.
  c. 100.
  d. 20.

Question 2

What is the energy of the first rotational state of the hydrogen (H2) molecule? The separation between the protons is 1010 m and the mass of each proton is 1.67  1027 kg. (h = 6.626  1034 J  s and 1 eV = 1.6  1019 J.)



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ecox1012

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

c

Answer to Question 2

0.008 eV




sjones

  • Member
  • Posts: 520
Reply 2 on: Jul 28, 2018
Gracias!


epscape

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Everyone has one nostril that is larger than the other.

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?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

For a complete list of videos, visit our video library