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 91 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
Excellent


tanna.moeller

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

For a complete list of videos, visit our video library