Author Question: Star A has twice the absolute temperature and twice the radius of star B. What is the ratio of star ... (Read 89 times)

vicotolentino

  • Hero Member
  • *****
  • Posts: 552
Star A has twice the absolute temperature and twice the radius of star B. What is the ratio of star As power output to star Bs output due to electromagnetic radiation? The emissivity of both stars can be assumed to be 1.
  1.4
  2.8
  3.16
  4.64

Question 2

Star A has twice the absolute temperature of star B, but they both have the same radius. What is the ratio of star As power output to star Bs output due to electromagnetic radiation? The emissivity of both stars can be assumed to be 1.
  1.4
  2.8
  3.16
  4.64



jaykayy05

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

4

Answer to Question 2

3



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

For a complete list of videos, visit our video library