« previous next »

Author Question: When a star collapses to become a black hole, its mass A) increases. B) decreases. C) remains ... (Read 47 times)

audie

  • Hero Member
  • *****
  • Posts: 532
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
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
« previous next »
 

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Balloon angioplasty: (A) deflated balloon catheter is approaching an atherosclerotic plaque; (B) pla Balloon angioplasty: (A) deflated balloon catheter is approaching an atherosclerotic plaque; (B) pla
The black-and-white colobus is an African colobine. The black-and-white colobus is an African colobine.
A black impact socket. Always use an impact-type socket whenever using an impact wrench to avoid ... A black impact socket. Always use an impact-type socket whenever using an impact wrench to avoid ...
Graph showing how the boiling point of the coolant increases as the percentage of antifreeze in ... Graph showing how the boiling point of the coolant increases as the percentage of antifreeze in ...
Notice the small motor gear on the left drives a larger plastic gear (black), which then drives ... Notice the small motor gear on the left drives a larger plastic gear (black), which then drives ...
An antique painting is purchased in 1980 for $995. The value increases by 3.1% e An antique painting is purchased in 1980 for $995. The value increases by 3.1% e
Video: Congenital Heart Defects Animation

For a complete list of videos, visit our video library