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

Author Question: How fast is the electron moving in the first Bohr orbit? a. 3.3 106 m/s b. 2.2 106 m/s c. 4.4 ... (Read 62 times)

berenicecastro

  • Hero Member
  • *****
  • Posts: 581
How fast is the electron moving in the first Bohr orbit?
 a. 3.3  106 m/s
  b. 2.2  106 m/s
  c. 4.4  106 m/s
  d. 5.5  106 m/s
  e. 5.5  1015 m/s

Question 2

Stellar paralax proves that Earth is
 a. rotating.
  b. revolving.
  c. precessing.
  d. an oblate spheroid.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

patma1981

  • Sr. Member
  • ****
  • Posts: 292
Answer to Question 1

b

Answer to Question 2

b



berenicecastro

  • Hero Member
  • *****
  • Posts: 581
Both answers were spot on, thank you once again



patma1981

  • Sr. Member
  • ****
  • Posts: 292

 

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

For a complete list of videos, visit our video library