Author Question: When a star collapses to become a black hole, its mass A) increases. B) decreases. C) remains ... (Read 51 times)

audie

  • Hero Member
  • *****
  • Posts: 532
When a star collapses to become a black hole, its mass
 
  A) increases.
  B) decreases.
  C) remains unchanged.

Question 2

What determines if a star becomes a white dwarf, a neutron star, or a black hole?
 
  A) the principal factor is mass
  B) the principal factor is density
  C) the principal factor is temperature
  D) the principal factor is luminosity



popopong

  • Sr. Member
  • ****
  • Posts: 307
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

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?

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?

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.

For a complete list of videos, visit our video library