This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The size of a black hole, its Schwarzschild radius, is simply proportional to its _____. A) mass ... (Read 105 times)

ts19998

  • Hero Member
  • *****
  • Posts: 531
on: Jul 27, 2018
The size of a black hole, its Schwarzschild radius, is simply proportional to its _____.
 
  A) mass
  B) luminosity
  C) temperature
  D) density

Question 2

Which of the following is a reason why low-mass stars cannot get very hot when they contract?
 
  A) They are unable to convert gravitational energy into thermal energy.
  B) They have limited gravitational energy.
  C) They get very hot and hence can ignite several nuclear fuels.
  D) They can sustain hydrogen fusion only if their masses are less than 0.08 solar mass.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leannegxo

  • Sr. Member
  • ****
  • Posts: 374
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


ts19998

  • Member
  • Posts: 531
Reply 2 on: Jul 27, 2018
Wow, this really help

abro1885

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

A Black cat under the snow. A Black cat under the snow.
Killer Whale - Size comparison to an average human. Killer Whale - Size comparison to an average human.
Gallery of Xylosandrus crassiusculus split open, with pupae and black fungus Gallery of Xylosandrus crassiusculus split open, with pupae and black fungus
The Structure of an Old High-Mass Star The Structure of an Old High-Mass Star
Index of seed size and hardiness prior to, during, and after drought. Index of seed size and hardiness prior to, during, and after drought.
Guidelines for proper blood pressure cuff size Guidelines for proper blood pressure cuff size
Video: Peptide Bond Formation Animation

For a complete list of videos, visit our video library